Thinkers Timeline

John Dewey was an American philosopher, psychologist, and educator. He was one of the most important thinkers in the United States during the first half of the twentieth century. He was born on 20 October 1859 in Burlington, Vermont. He studied at the University of Vermont and then earned a PhD in philosophy at Johns Hopkins University in 1884. He taught first at the University of Michigan. In 1894 he moved to the new University of Chicago. In 1896 he founded the Laboratory School there. This was a small school where his new ideas about learning could be tested with real children. During his Chicago years he became close to Jane Addams at Hull House. The two thinkers shaped each other's ideas about democracy. After a dispute with the university, he resigned in 1904. He moved to Columbia University in New York, where he stayed until his retirement in 1930. At Columbia he wrote most of his major books. These included Democracy and Education (1916), Experience and Nature (1925), The Public and Its Problems (1927), and Art as Experience (1934). He travelled widely. He spent more than two years in China (1919-1921), where he gave famous lectures. He also visited Japan, Turkey, Mexico, and the Soviet Union. In 1937 he led a public inquiry into Stalin's charges against Leon Trotsky. He helped found the NAACP, a major American civil rights organisation. He wrote over forty books and around a thousand articles. He died on 1 June 1952, aged 92.

W.E.B. Du Bois (1868-1963) was an American sociologist, historian, civil rights activist, and one of the most important intellectual figures of the twentieth century. His full name was William Edward Burghardt Du Bois. He was born in Great Barrington, Massachusetts, into a small free Black community in the North, and showed exceptional academic ability from childhood. He became the first African American to receive a doctorate from Harvard University, in 1895, and also studied at the University of Berlin. He spent his long career at the intersection of scholarship and activism, writing groundbreaking works of sociology and history, co-founding the National Association for the Advancement of Colored People (NAACP), editing the influential journal The Crisis for many years, and eventually, in his final years, joining the Communist Party of America and emigrating to Ghana, where he died in 1963 at the age of ninety-five, on the eve of the March on Washington. His most important works include The Souls of Black Folk (1903), Black Reconstruction in America (1935), and The Philadelphia Negro (1899).

Maria Montessori (1870-1952) was an Italian educator and doctor whose method of teaching young children has spread to thousands of schools around the world. She was born in Chiaravalle, in central Italy, to a middle-class family. Her father worked for the government; her mother was well-read and encouraged Maria's ambitions. At that time, few women in Italy went to university. Maria wanted to study medicine, which was almost impossible for a woman. She faced strong opposition but did not give up. She entered the University of Rome in 1890 and became one of the first women in Italy to earn a medical degree, graduating in 1896. Her early work as a doctor focused on children with learning difficulties. She worked at a clinic in Rome where she observed these children closely and developed teaching materials that helped them learn. When many of her students then passed the same state exams as children without special needs, she began to wonder whether her methods might work for all children. In 1907 she opened her first school, the Casa dei Bambini (Children's House), in a poor neighbourhood of Rome. The children were aged between three and seven. The results surprised everyone. Children who had been thought wild or undisciplined became focused, calm, and eager to learn. News of the school spread rapidly. Within a few years, schools using her methods opened across Europe, then in the United States and Asia. She wrote many books, including The Montessori Method (1909) and The Absorbent Mind (1949). She was nominated three times for the Nobel Peace Prize because of her work on education for peace. During the Second World War she was trapped in India for seven years, where she continued teaching and developed her ideas about the education of older children. She died in the Netherlands in 1952 at the age of eighty-one. Her schools now educate more than a million children in more than a hundred countries.

Albert Einstein was a German-born theoretical physicist. He is widely seen as the most influential scientist of the twentieth century. He was born on 14 March 1879 in Ulm, in southern Germany. His family was secular Jewish and middle class. His father ran an electrochemical business that often struggled. His mother was a musician who pushed Albert to play the violin from age five. He had one younger sister, Maja. As a child, he was shy and slow to speak, but fascinated by science. A compass given to him at age five made him wonder about invisible forces. He found regular school dull. At sixteen he ran away from his German school. He finished his education in Switzerland and entered the Swiss Federal Polytechnic School in Zurich in 1896. He graduated in 1900. He could not find a teaching post and took a job at the Swiss Patent Office in Bern. There, in his spare time, he produced his most famous work. In 1905, his 'miracle year', he published four papers that changed physics: on the photoelectric effect, Brownian motion, special relativity, and the equation E=mc². Fame followed slowly. He held professorships in Zurich, Prague, and Berlin. In 1915 he completed the general theory of relativity. He won the Nobel Prize in Physics for 1921. In 1933, the Nazis came to power. Einstein, who was Jewish, was already in the United States and never returned to Germany. He took a position at the Institute for Advanced Study in Princeton, where he worked until his death on 18 April 1955, aged 76.

Halide Edib Adıvar was a Turkish novelist, feminist political leader, soldier, and public intellectual. She is widely regarded as the founding mother of the modern Turkish novel and one of Turkey's most important twentieth-century writers. She was born in Istanbul in 1884 to an upper-class Ottoman family. Her father was a secretary to Sultan Abdülhamid II. The family was associated with the Dönmeh, a community of seventeenth-century Jewish converts to Islam who maintained some Sabbatean traditions privately. She was educated at home by tutors in Ottoman and European literature, religion, philosophy, sociology, piano, English, French, and Arabic, and briefly attended the American College for Girls in Istanbul. She began writing journalism and fiction in her early twenties. She divorced her first husband in 1910 when he took a second wife, an unusual act of defiance against polygamy in late Ottoman society. She married the politician and physician Adnan Adıvar in 1917. During the Turkish War of Independence (1919-1923) she became one of the movement's most powerful voices: she addressed the famous Sultanahmet rally in 1919 against Greek occupation, then went to Anatolia to join Mustafa Kemal's nationalist forces. She served as a corporal and later as a sergeant-major, working as a press officer and translator. She wrote about the war in The Turkish Ordeal. Her relationship with Mustafa Kemal soured after independence. As his single-party regime tightened, she and her husband went into exile in Britain and France in 1926. She did not return to Turkey for fourteen years. She wrote extensively in English during exile, including her two-volume Memoirs (1926, 1928). She returned to Turkey in 1939, served as the first woman professor at Istanbul University from 1940 to 1950, and was elected to the National Assembly from 1950 to 1954. She died in Istanbul on 9 January 1964.

Chester Irving Barnard (1886-1961) was an American business executive whose book The Functions of the Executive (1938) became one of the foundational works of mid-twentieth-century organisational theory, produced by a practising businessman rather than by an academic. He was born in Malden, Massachusetts, to a family of modest means. His mother died when he was five; he was raised partly by grandparents. He attended Mount Hermon School, working to support himself, then won a scholarship to Harvard University in 1906, where he studied economics and philosophy. He left Harvard in 1909 without completing his degree, having refused to take a required laboratory course, and joined the American Telephone and Telegraph Company as a statistician. He stayed with AT&T or its subsidiaries for most of his working life. He rose to become president of the New Jersey Bell Telephone Company in 1927 and held that position until 1948. He combined his business career with substantial reading in philosophy, sociology, and psychology, drawing on thinkers from Vilfredo Pareto to Alfred North Whitehead. In the 1930s he was invited to give a series of lectures at Harvard, which became The Functions of the Executive. He also served on many public bodies — the United Service Organizations during the Second World War (he was its president from 1942 to 1945), the Rockefeller Foundation (president 1948-1952), the National Science Foundation (chairman 1952-1954), and various advisory committees. He wrote a second book, Organization and Management (1948), and many articles. He was awarded honorary degrees by several universities but never held an academic position. He died in New York in 1961 at seventy-five. His work combined the authority of long practical experience with unusually wide reading, producing a synthesis that academics found intellectually serious and practitioners found grounded in reality.

Simon Kimbangu was a Congolese religious leader and the founder of Kimbanguism, one of the largest African-initiated churches in the world. He was born on 12 September 1887 (some sources say 1889) in the village of Nkamba, in the Lower Congo region. The area was then part of the Congo Free State, later the Belgian Congo. His family were members of the Kongo people. Kimbangu was educated at a British Baptist Missionary Society school. He was baptised in 1915 and worked as a Baptist catechist, teaching others the Bible. He was married to Marie Mwilu, who would later become an important leader in her own right. For several years he worked in Kinshasa (then Léopoldville), doing jobs including palm oil work. He tried to ignore what he described as a divine calling to preach and heal. In April 1921, he returned to Nkamba and began his public ministry. He preached, healed the sick, and was said to raise the dead. Thousands of people came to see him. His ministry lasted only about five months. In September 1921, Belgian colonial authorities arrested him. He was tried in a military court and sentenced to death in October 1921. The Belgian King Albert I commuted this to life imprisonment with 120 lashes. Kimbangu spent the next 30 years in prison in Lubumbashi (then Elisabethville), nearly 2,000 kilometres from his home. He died there on 12 October 1951.

T.S. Eliot was a poet and critic. His full name was Thomas Stearns Eliot. He is seen as one of the most important poets in English of the twentieth century. He was born in 1888 in St Louis, in the United States. He died in 1965 in London. Eliot came from a well-off American family. He studied at Harvard University and then in Europe. As a young man he settled in England, and he later became a British citizen. He spent the rest of his life there. Eliot did not begin as a full-time writer. For years he worked at a bank in London, writing poetry in his spare time. Later he became an editor at a publishing house, where he helped many other writers. His most famous poem is 'The Waste Land', published in 1922. It is a difficult, broken poem about a damaged world after the First World War. It made him famous. Later he wrote 'Four Quartets', a long, calmer poem about time and faith. Eliot also wrote important essays about poetry. In 1948 he won the Nobel Prize in Literature. His first marriage was very unhappy and painful for both people. In his later years he found more peace, partly through his religious faith and a happy second marriage.

Ludwig Wittgenstein was an Austrian-British philosopher. Many consider him the greatest philosopher of the twentieth century. He was born on 26 April 1889 in Vienna, Austria, into one of the wealthiest families in the Austro-Hungarian Empire. His father was a powerful steel industrialist. His mother was a gifted musician. The family home was visited by composers like Brahms and Mahler. Three of his brothers died by suicide. Ludwig was first trained as an engineer in Berlin and Manchester, where he worked on aeroplane design. While studying, he became fascinated by the foundations of mathematics. In 1911 he travelled to Cambridge to work with the philosopher Bertrand Russell, who quickly recognised his genius. When the First World War broke out in 1914, Wittgenstein volunteered for the Austro-Hungarian army. He fought bravely and was decorated. While at the front and in a prisoner-of-war camp, he wrote his first book. That book, the Tractatus Logico-Philosophicus, was published in 1921. He believed it had solved all the major problems of philosophy. He gave away his vast inherited fortune and became a primary school teacher in remote Austrian villages. He also designed an austere house for his sister in Vienna. In 1929 he returned to Cambridge, having decided his earlier work contained serious mistakes. He spent the rest of his life developing a very different philosophy. He served as a hospital porter during the Second World War. He died of prostate cancer in Cambridge on 29 April 1951, aged 62. His last words to his housekeeper were: 'Tell them I've had a wonderful life.'

B.R. Ambedkar (1891-1956) was an Indian jurist, economist, social reformer, and philosopher. His full name was Bhimrao Ramji Ambedkar. He was born into a Dalit family, the community then called Untouchables, who occupied the lowest position in India's caste hierarchy and were subjected to severe discrimination, exclusion, and violence. Despite the enormous obstacles placed in front of him by the caste system, Ambedkar became one of the most educated people in India of his generation, earning doctorates from Columbia University in New York and the London School of Economics. He spent his life fighting against caste as a system of oppression and arguing for the full rights and dignity of Dalit people. He was the chief architect of the Indian Constitution, which he designed to protect the rights of all citizens and to prohibit caste discrimination. In the last year of his life, he converted to Buddhism along with hundreds of thousands of his followers, an act he understood as both a spiritual choice and a rejection of the Hindu caste system. He died in 1956, just weeks after completing his final manuscript.

Zora Neale Hurston (1891-1960) was an African American anthropologist, folklorist, and novelist, one of the most significant figures in both the Harlem Renaissance and the history of American anthropology. She was born in Notasulga, Alabama, but grew up in Eatonville, Florida — one of the first incorporated all-Black towns in the United States — an experience that would shape everything she wrote and thought. She studied anthropology under Franz Boas at Barnard College and Columbia University, becoming one of the very few Black women to enter the discipline in that era. Boas recognised her exceptional gifts, particularly her ability to collect folklore from communities that would not have opened to a white researcher. She conducted fieldwork across the American South, the Caribbean, and Central America, collecting African American folklore, Hoodoo practices, and Caribbean religious traditions. She wrote four novels, most famously Their Eyes Were Watching God (1937), two books of folklore, an autobiography, and numerous essays. She died in poverty and obscurity in 1960 and was buried in an unmarked grave. She was recovered for a wide readership by Alice Walker, who found and marked her grave in 1973 and wrote about her in a celebrated essay.

Mao Zedong was a Chinese revolutionary and political leader. He founded the People's Republic of China in 1949 and ruled it until his death in 1976. He was born on 26 December 1893 in Shaoshan, a village in Hunan province. His father was a rural grain dealer who had become relatively well-off. Mao did farm work as a boy, left an arranged marriage, and moved to the provincial capital Changsha to study. China at the time was in crisis. The old imperial system collapsed in 1911. Foreign powers had humiliated the country. Warlords controlled many regions. Millions lived in extreme poverty. Young Mao read widely and met revolutionary ideas. While working at Peking University library in 1918, he was introduced to Marxism. In 1921, he was one of the founders of the Chinese Communist Party. A civil war followed between the Communists and the Nationalist Party led by Chiang Kai-shek. In 1934-35 Mao led the Long March, an 8,000-kilometre retreat that saved the Communist Party from destruction. By the end of World War II, his forces had grown strong. He defeated the Nationalists in 1949. On 1 October 1949 he stood atop Tiananmen Gate in Beijing and proclaimed the People's Republic of China. He ruled for twenty-seven years. He launched huge campaigns: land reform, the Great Leap Forward (1958-62), and the Cultural Revolution (1966-76). Some brought great changes. Others brought disaster. He met US President Nixon in 1972, ending China's isolation from the West. He died in Beijing on 9 September 1976, aged 82.

Umm Kulthum was an Egyptian singer. She was probably the most famous Arab cultural figure of the 20th century. She was born around 1898 in a small village called Tamay az-Zahayra, in the Egyptian Nile Delta. Her exact date of birth is uncertain, partly because village births were not always carefully recorded. Her father was a village imam, a Muslim religious leader. He led prayers and sometimes sang religious songs at weddings to earn extra money. He noticed that his young daughter had an extraordinary voice. He taught her to sing religious songs and then took her with him to perform. To make this socially acceptable in conservative villages, she dressed as a boy when she sang in public. She was known as 'the boy with the strong voice'. In the 1920s she moved to Cairo, the capital and cultural centre of Egypt. She took singing lessons, dropped the boy disguise, and quickly became a star. Egyptian radio began broadcasting her concerts in the 1930s. By the 1940s she was the most famous singer in the Arab world. She gave a concert on the first Thursday of every month for decades. Across the Arab world, streets emptied as people gathered around radios to listen. She sang for kings, presidents, and ordinary villagers. She supported Egyptian independence and President Gamal Abdel Nasser. After Egypt lost the 1967 war with Israel, she gave concerts across the Arab world to raise money for the country. She died in 1975. Around four million people attended her funeral in Cairo, one of the largest in human history.

Friedrich Hayek was an economist and political thinker. He was born in Vienna, Austria, in 1899 and died in 1992. His full name was Friedrich August von Hayek. Hayek grew up in a Europe that was about to change violently. He served briefly in the First World War as a young man. Afterwards he studied at the University of Vienna, where he was part of a group of economists known as the 'Austrian School'. In 1931 Hayek moved to Britain to teach at the London School of Economics. There he became the main rival of John Maynard Keynes, the most famous economist of the age. The two men disagreed deeply about how economies work. In 1944 Hayek published 'The Road to Serfdom', a warning that government planning of the economy could lead to the loss of political freedom. The book made him famous far beyond economics. After the war he worked in the United States and later in Germany. For many years Hayek's ideas were out of fashion. Then, in the 1970s, they returned to influence. He shared the Nobel Prize in Economics in 1974. In the 1980s political leaders in Britain and the United States drew on his thinking. Hayek lived long enough to see his ideas move from the margins to the centre of debate.

Percy Lavon Julian (1899-1975) was an African American chemist whose pioneering synthesis of plant-derived steroids made cortisone and other hormone-based medicines widely available for the first time. He was born in Montgomery, Alabama, the grandson of former slaves. Alabama's public schools did not offer education beyond the eighth grade to Black children at the time, but his parents — a railway mail clerk and a teacher — insisted on his further education. He entered DePauw University in Indiana as what the institution called a sub-freshman, taking high school classes alongside his college studies, and graduated as valedictorian in 1920. American graduate programmes in chemistry were largely closed to Black students; he was refused admission at several top universities and taught for several years at historically Black colleges before winning a fellowship for graduate work at Harvard. Harvard gave him a master's degree but denied him the chance to teach or to complete a doctorate because of his race. He eventually earned his doctorate in Vienna in 1931, one of the few options then available. In 1935 he completed the total synthesis of the alkaloid physostigmine, used to treat glaucoma, beating a competing English group. Unable to get university chemistry positions because of his race, he joined the Glidden Company, a paint manufacturer, where he led research that developed industrial methods for producing steroids from soybean oil — processes that made cortisone affordable to patients with rheumatoid arthritis and opened the way to a generation of hormone-based medicines. He later founded his own company. He and his family faced racist violence in the Chicago suburb where they bought a house in 1950, including attempts to burn and bomb their home. He died in 1975. He was elected to the National Academy of Sciences in 1973, the second African American so honoured.

William Edwards Deming (1900-1993) was an American statistician and management consultant whose work on quality control and systematic thinking about production reshaped manufacturing in Japan after the Second World War and, later, in the United States. He was born in Sioux City, Iowa, and grew up in a small town in Wyoming under difficult family circumstances. He studied electrical engineering at the University of Wyoming, earned a master's degree in mathematics and physics at the University of Colorado, and completed a PhD in mathematical physics at Yale in 1928. He worked for the United States Department of Agriculture and then the Census Bureau, where he applied statistical methods to sampling and the design of surveys. In 1947 he was invited to help prepare the Japanese census and returned to Japan in the early 1950s at the invitation of the Japanese Union of Scientists and Engineers. His lectures on statistical quality control and his broader management philosophy were widely adopted by Japanese industry, where he became a famous and revered figure decades before his ideas were taken seriously in his own country. The Deming Prize, established in Japan in 1951 and still awarded annually, recognised his influence. In the United States his work was largely ignored until a 1980 NBC documentary, If Japan Can, Why Can't We, brought him to public attention at the age of eighty. He spent his final thirteen years teaching, consulting, and writing; his major book Out of the Crisis appeared in 1982. He continued leading seminars until shortly before his death in 1993, aged ninety-three.

Cyril Lionel Robert James was a Trinidadian historian, political thinker, novelist, and cricket writer. He is one of the most important intellectuals the Caribbean has produced. He was born on 4 January 1901 in Tunapuna, Trinidad, then a British colony. His father was a schoolteacher. His mother was a strong reader who filled the house with books. Young Cyril grew up reading English literature, the Bible, and Greek classics. He was also obsessed with cricket. These three loves, literature, politics, and cricket, stayed with him all his life. He won a scholarship to Queen's Royal College in Port of Spain, one of the best schools in Trinidad. He became a teacher, a cricketer, and a writer of short stories. In 1932, he sailed to England. In Lancashire, he lived with his friend Learie Constantine, the great West Indian cricketer. He wrote cricket reports for the Manchester Guardian. But he also became deeply involved in politics. He joined Trotskyist groups. He met African leaders like Kwame Nkrumah and Jomo Kenyatta who were then studying in London. He helped build the movement for African independence from outside Africa. In 1938, he published The Black Jacobins, his masterpiece, a history of the Haitian Revolution and Toussaint Louverture. That same year he moved to the United States. He lived there for fifteen years, writing, teaching, and working with labour movements. In 1953, he was arrested during the anti-communist scare and held on Ellis Island. He was eventually deported. He returned to Trinidad in the late 1950s to support his former student Eric Williams, then leading the country toward independence. The two later fell out. James spent his final decades moving between England, Trinidad, the United States, and Africa. He died in London on 31 May 1989, aged 88. He had lived through almost the whole 20th century and written about most of it.

Margaret Mead (1901-1978) was an American cultural anthropologist who became the most publicly prominent and widely read anthropologist of the twentieth century. She was born in Philadelphia and studied at Barnard College before completing her doctorate under Franz Boas at Columbia University. In 1925, at the age of twenty-three, she travelled to American Samoa to conduct fieldwork on adolescence — a period of turmoil in Western culture that many assumed was biologically inevitable. She wanted to test whether this turmoil was universal or culturally specific. Her book Coming of Age in Samoa (1928) argued that adolescence in Samoa was a calm and untroubled transition, suggesting that the storm and stress of Western adolescence was a product of culture, not biology. The book became an international sensation. She went on to conduct fieldwork in Papua New Guinea, Bali, and elsewhere, writing influential books on gender, temperament, and culture. She was also a tireless public intellectual, writing a column for Redbook magazine for many years and testifying before Congress on issues from nuclear weapons to environmental policy. She was married three times, all to fellow anthropologists, and her personal life was characterised by the same willingness to challenge convention that marked her intellectual work. She died in 1978.

Karl Popper was an Austrian-British philosopher of science and politics. He was born in 1902 in Vienna into a well-off, secular Jewish family that had converted to Lutheran Christianity. His parents loved books, and Popper grew up reading widely. As a young man he tried out many of the big intellectual movements of his time. He attended Marxist meetings, studied Freudian psychology, and worked briefly with the Adlerian school of psychology. He was struck by something that bothered him for the rest of his life. The followers of these movements seemed able to explain everything. Whatever happened in the world, Marxism, Freudianism, and Adlerian theory could fit it into their system. Popper began to wonder whether this was a strength or a weakness. He trained as a teacher and earned a doctorate in philosophy from the University of Vienna in 1928. In 1934 he published his first major book, Logic of Scientific Discovery, which made his name in philosophy of science. As Hitler rose to power, Popper, with his Jewish background, knew he had to leave Europe. In 1937 he took a teaching post in New Zealand. There, during the Second World War, he wrote The Open Society and Its Enemies, his great defence of liberal democracy. In 1946 he moved to the London School of Economics, where he stayed for the rest of his career. He was knighted in 1965. He wrote on philosophy of science, politics, the mind, and many other subjects. He died in 1994 in London at the age of 92.

George Orwell was the pen name of Eric Arthur Blair, an English writer, journalist, and essayist. He is one of the most quoted writers of the 20th century. He was born on 25 June 1903 in Motihari, in the Bengal region of British India. His father worked for the British colonial government. His mother brought him back to England when he was a small child. He grew up in modest circumstances in what he later called the 'lower-upper-middle class'. He won scholarships to good English schools, ending up at Eton, one of the most elite schools in the country. He did not do well there academically. Instead of going to university, in 1922 he sailed to Burma (now Myanmar) and joined the Indian Imperial Police. He served for five years. What he saw changed his life. He watched British officers beat and humiliate Burmese people. He took part in colonial rule himself. He came to hate it. In 1927, he left the police, returned to England, and began writing. For years he was poor. He lived with tramps in London, washed dishes in Paris, picked hops in Kent, and taught in small schools. This experience became the material for his first books, Down and Out in Paris and London (1933) and The Road to Wigan Pier (1937). In 1936, he went to Spain to fight against the fascist forces in the Spanish Civil War. He was shot in the throat by a sniper. His account of the war, Homage to Catalonia (1938), is one of the great books of 20th-century political writing. He spent the Second World War in London, working for the BBC and writing. His two most famous books came in his last years. Animal Farm (1945) was a satire on the Soviet Union. Nineteen Eighty-Four (1949) was a novel about totalitarian rule. He had tuberculosis throughout these years. He died in London on 21 January 1950, aged 46, soon after finishing Nineteen Eighty-Four.

Joan Robinson was a British economist. She was one of the most important economists of the 20th century. Many people think she should have won the Nobel Prize in Economics. She never did, almost certainly because she was a woman and because her views were politically uncomfortable. She was born in 1903 in Camberley, Surrey, in southern England. Her birth name was Joan Maurice. She came from an upper-middle-class family. Her father was a soldier and her mother was the daughter of a famous classics professor. Joan studied economics at Cambridge from 1922. The university had only recently begun allowing women to take degree examinations. She married another young economist, Austin Robinson, in 1926. They had two daughters. She became part of the famous group of Cambridge economists around John Maynard Keynes. Keynes was working out his revolutionary new theory of how economies actually work. Joan was one of his closest collaborators. She helped develop his ideas. She also did major original work of her own. Her 1933 book The Economics of Imperfect Competition introduced ideas that became standard in economics. She taught at Cambridge for over 50 years. She was finally promoted to a full professorship in 1965, much later than she should have been. She was sharp, sometimes difficult, and often controversial. She visited China multiple times during the Cultural Revolution and wrote about it more positively than later events would justify. She also visited North Korea and admired aspects of its economy. Some of these political judgements have aged badly. She remained intellectually active until shortly before her death in 1983.

Grace Brewster Murray Hopper (1906-1992) was an American mathematician, computer scientist, and United States Navy rear admiral whose work on programming languages and compilers helped turn computing from a specialist craft into a discipline ordinary people could enter. She was born in New York City to a family that encouraged her scientific curiosity from childhood — at seven, she took apart seven alarm clocks to see how they worked. She studied mathematics and physics at Vassar College and earned a doctorate in mathematics from Yale in 1934, an unusual achievement for a woman of her era. She taught mathematics at Vassar until the United States entered the Second World War. In 1943, at thirty-seven, she joined the Naval Reserve and was assigned to the Bureau of Ships Computation Project at Harvard, where she became one of the first programmers of the Mark I, one of the earliest large electromechanical computers. After the war she moved into private industry, joining Eckert-Mauchly Computer Corporation and later Remington Rand and Sperry. At these companies she developed the first practical compiler, a program that translates human-readable instructions into machine code, and led the team that created FLOW-MATIC, a predecessor of COBOL. She was recalled to naval service several times and finally retired from the Navy as a rear admiral at seventy-nine, the oldest officer in active service at the time. She continued to lecture widely until her death in 1992.

Hannah Arendt (1906-1975) was a German-American political philosopher. She was born into a Jewish family in Hanover, Germany, and studied philosophy under Martin Heidegger and Karl Jaspers. When the Nazis came to power in 1933 she fled Germany, was briefly interned in France, and eventually reached the United States in 1941, where she spent the rest of her life. Her experience as a Jewish refugee from Nazi Germany shaped all of her thinking: she wanted to understand how the totalitarian regimes of the twentieth century, Nazi Germany and Stalinist Russia, had been possible, and what they revealed about the fragility of political freedom and human dignity. Her most important books are The Origins of Totalitarianism (1951), The Human Condition (1958), and Eichmann in Jerusalem (1963). She was a professor at the University of Chicago and the New School for Social Research in New York. She died in 1975, mid-sentence at her typewriter, working on her final book.

Kurt Gödel was an Austrian-American logician, mathematician, and philosopher. He is widely considered the greatest logician of the 20th century. His incompleteness theorems changed how mathematicians and philosophers understand the foundations of mathematics. He was born in 1906 in Brunn, then part of Austria-Hungary (now Brno in the Czech Republic). His parents were ethnic Germans living in a mostly Czech city. His father managed a textile factory. The family was comfortable. Young Kurt was a quiet, curious child. He asked so many questions that his family nicknamed him 'Mr. Why'. He suffered through a serious illness with rheumatic fever at age six, which he believed had permanently damaged his heart, even though doctors found no lasting damage. The belief shaped his fearful approach to his own health for the rest of his life. He studied at the University of Vienna in the 1920s. He attended the famous Vienna Circle, a group of philosophers and scientists who met to discuss the foundations of knowledge. He earned his doctorate in mathematics in 1929. The next year, he proved his most famous result, the incompleteness theorems. He was 24. In the 1930s, the rise of Nazism made Vienna dangerous. Gödel was not Jewish but had Jewish friends and colleagues. After the Nazi takeover of Austria in 1938 and the start of World War II, he and his wife Adele fled to America. He took a position at the Institute for Advanced Study in Princeton, where Einstein also worked. The two became close friends. Gödel did important later work in cosmology and philosophy. He died in 1978 of malnutrition. He had become so paranoid about poisoning that he stopped eating after his wife was hospitalised.

Magdalena Carmen Frida Kahlo y Calderón (1907-1954) was a Mexican painter whose intensely personal and politically engaged work has made her one of the most widely recognised artists of the twentieth century. She was born in Coyoacan, then a village outside Mexico City, in the Blue House her parents had built and where she would live most of her life. Her father was a German-born photographer of Hungarian Jewish background; her mother was a Mexican woman of Spanish and Indigenous descent. Kahlo later changed her date of birth to 1910, the year the Mexican Revolution began, to align her life with the revolutionary era. She contracted polio at six, which left her right leg permanently weakened. At eighteen she was in a streetcar accident that broke her spine, pelvis, collarbone, and right leg; a metal rod pierced her body. She spent months in bed recovering and began painting seriously during this period, using a mirror mounted above her bed to paint self-portraits. In 1929 she married the muralist Diego Rivera, twenty years her senior; their tempestuous relationship, including divorce and remarriage, lasted until her death. She painted more than 140 works, about a third of them self-portraits. She had a single solo exhibition in Mexico during her lifetime, in 1953, when she was carried to the gallery in her hospital bed. She died in 1954 at forty-seven, with her diary reading: I hope the exit is joyful, and I hope never to return.

Rachel Carson (1907-1964) was an American marine biologist, writer, and conservationist. She was born in rural Pennsylvania and developed a love of the natural world from childhood, spending hours outdoors observing the life around her family's farm. She studied biology at Johns Hopkins University, where she was one of very few women in the sciences, and worked as a marine biologist for the US Fish and Wildlife Service for many years. She was also a gifted writer who published three acclaimed books about the sea before Silent Spring. In 1962 she published Silent Spring, a carefully researched and beautifully written account of how synthetic pesticides, particularly DDT, were accumulating through food chains and destroying bird populations, insect communities, and entire ecosystems. The book was met with a massive campaign of attack from the chemical industry, which attempted to discredit both her science and her personally, including attacks on her as a hysterical woman and a communist. She died of breast cancer in 1964, two years after the book's publication, never knowing the full extent of its influence. Silent Spring is widely credited with launching the modern environmental movement and leading to the banning of DDT in the United States and the creation of the Environmental Protection Agency.

Abraham Maslow (1908-1970) was an American psychologist. He was born into a poor Jewish immigrant family in Brooklyn, New York, and described his childhood as lonely and unhappy. He studied psychology at the University of Wisconsin and spent most of his career at Brandeis University in Massachusetts. He became one of the founders of humanistic psychology: a movement that argued that psychology should study not only mental illness and dysfunction but also human health, creativity, and the capacity for a full and meaningful life. He is best known for the hierarchy of needs, a model of human motivation that organises human needs from the most basic physical requirements for survival up to the need for self-actualisation: the full development of a person's potential. This model has been extraordinarily influential in psychology, education, management, and development. He died in 1970 still working on his ideas, convinced that he had only begun to understand human potential.

Claude Lévi-Strauss (1908-2009) was a Belgian-French anthropologist, one of the most influential social scientists of the twentieth century. He was born in Brussels to a French Jewish family and grew up in Paris. He studied philosophy and law at the Sorbonne before becoming interested in ethnography. In 1935 he joined a French university mission to Brazil, spending several years conducting fieldwork among indigenous peoples of the Brazilian interior. Fleeing Nazi-occupied France, he spent the war years in New York, where contact with the structural linguistics of Roman Jakobson transformed his intellectual approach. He returned to France after the war and published a series of major works — The Elementary Structures of Kinship (1949), Tristes Tropiques (1955), Structural Anthropology (1958), and the four-volume Mythologiques (1964-1971) — that established structural anthropology as one of the dominant intellectual movements of mid-twentieth-century France and Europe. He was elected to the prestigious Collège de France and became one of the key figures in the broader structuralist movement that shaped French intellectual life from the 1950s onwards. He died in 2009 at the age of one hundred, the last great figure of the classical period of French intellectual life.

John Kenneth Galbraith was an economist and writer. He was born in 1908 on a farm in Ontario, Canada, and died in 2006. He later became an American citizen and spent most of his career in the United States. Galbraith studied agricultural economics before moving into wider economic questions. He taught for many years at Harvard University. He was unusually tall, around two metres, and had a sharp, witty writing style that made his books bestsellers far beyond economics. Galbraith did not stay only in the university. During the Second World War he helped run price controls for the United States government, holding down prices to stop wartime inflation. Later he advised several Democratic presidents. In the early 1960s, President John F. Kennedy made him United States ambassador to India, a country Galbraith came to know and admire. His most famous books appeared in the 1950s and 1960s. 'The Affluent Society' (1958) and 'The New Industrial State' (1967) reached huge audiences. In them Galbraith argued that modern economics had not kept up with how rich societies actually worked. Galbraith was a public figure as much as a scholar. He believed economists should write for ordinary citizens, not just for each other, and he did so for over fifty years.

Simone de Beauvoir (1908-1986) was a French philosopher, novelist, and feminist thinker. She was born in Paris and studied philosophy at the Sorbonne, where she came second in the national philosophy examination, beaten only by Jean-Paul Sartre, who became her lifelong intellectual partner and companion. She spent most of her adult life in Paris, writing philosophy, fiction, essays, and memoirs. Her most important philosophical work is The Second Sex, published in 1949, which is one of the founding texts of modern feminist philosophy. In it she argued that women are not born inferior but are made to be subordinate through social processes, cultural norms, and internalised beliefs. She was a committed political activist throughout her life, supporting Algerian independence, signing a petition supporting the right to abortion in France at a time when this was dangerous to do, and consistently speaking out on behalf of those without power. She lived by her philosophy: her own life, including her refusal to marry and her insistence on her independence as a thinker, was a demonstration of what she argued was possible.

Thurgood Marshall was an American civil rights lawyer and the first Black Justice of the United States Supreme Court. He spent his life using the law to dismantle racial segregation in America. He was born Thoroughgood Marshall on 2 July 1908 in Baltimore, Maryland. He shortened the name to Thurgood at age six because his classmates teased him about it. His father William was a railroad porter; his mother Norma was a school teacher. As a teenager Marshall got into trouble at school. As punishment he was made to read the United States Constitution. The exercise changed his life. He saw clearly the gap between the Constitution's promises of equality and the racist 'Jim Crow' laws that ruled the American South. He wanted to study law at the University of Maryland, the public university of his home state. He was rejected because he was Black. He went instead to Howard University, a historically Black school in Washington, D.C. He graduated first in his class in 1933. His main mentor at Howard was Charles Hamilton Houston, who taught his students that law could be used as a tool for social change. In 1936 Marshall joined the NAACP, the National Association for the Advancement of Colored People. He became its chief lawyer. From 1940 he led the NAACP Legal Defense Fund. Over twenty-five years he argued 32 cases before the Supreme Court and won 29. He won Brown v. Board of Education in 1954. President Lyndon Johnson nominated him to the Supreme Court in 1967. He served for 24 years. He retired in 1991 and died on 24 January 1993, aged 84.

Kwame Nkrumah (1909-1972) was the first president of independent Ghana and one of the most important political thinkers and leaders of the twentieth century. He was born in the Gold Coast, as Ghana was then called under British colonial rule. He studied in the United States at Lincoln University and the University of Pennsylvania, where he was deeply influenced by Pan-African thought and by the political philosophy of W.E.B. Du Bois and Marcus Garvey. He returned to Africa and led the campaign for Ghanaian independence, which was achieved in 1957, making Ghana the first sub-Saharan African country to gain independence from colonial rule. His famous declaration that the independence of Ghana was meaningless unless it was linked to the total liberation of Africa set the tone for his political vision. He led Ghana until 1966, when he was overthrown in a military coup while on a visit to Hanoi. He spent his remaining years in Guinea, continuing to write and think until his death in 1972. His books, including Consciencism and Neo-Colonialism: The Last Stage of Imperialism, remain important texts in African political thought.

Mahmoud Mohamed Taha was a Sudanese Islamic reformer, political thinker, civil engineer, and Sufi mystic, known to his followers as Ustadh ('the teacher') Mahmoud. He developed one of the most ambitious twentieth-century reinterpretations of Islam, which he called the Second Message of Islam. He was executed for apostasy by the Sudanese government in January 1985. He was 76. He was born in 1909 in a village near Rufa'a, on the eastern bank of the Blue Nile about 150 km south of Khartoum. His family came from a Sufi religious tradition linked to the Qadiriyya order. He was educated at Gordon Memorial College in Khartoum (later the University of Khartoum), graduating as a civil engineer in 1936. He worked briefly for Sudan Railways, then started his own engineering business in Rufa'a. His political life began with the founding of the Sudanese Republican Party in October 1945, an anti-monarchical, pro-independence movement seeking a Sudanese republic free of British-Egyptian colonial rule. He was imprisoned twice in 1946 by the British colonial administration, the second time for two years. During his second imprisonment and in a subsequent period of religious seclusion (khalwa) at his home in Rufa'a from 1948 to 1951, he developed the theological vision that would shape the rest of his life. He emerged from seclusion to lead a small but committed movement called the Republican Brotherhood, distinct from the Egyptian Muslim Brotherhood despite the similar name. He published his masterwork The Second Message of Islam in 1967. As President Gaafar Nimeiri's regime imposed Sharia law in Sudan from 1983, Taha distributed pamphlets opposing the move. He was arrested on 5 January 1985, tried for apostasy in a hasty proceeding he refused to recognise, and publicly hanged on 18 January 1985.

Peter Ferdinand Drucker (1909-2005) was an Austrian-American writer and teacher whose books and articles over seven decades shaped the practice of management and helped establish it as a distinct field of study. He was born in Vienna in 1909 to an educated middle-class family — his father a senior civil servant, his mother one of the first women to study medicine in Austria. The Drucker home was a meeting place for intellectuals, and the young Peter grew up among people like the economist Joseph Schumpeter and the psychoanalyst Sigmund Freud. He studied law in Hamburg and Frankfurt, earned a doctorate in international law in 1931, and worked briefly as a financial journalist. The rise of Nazism drove him out of Germany in 1933; he moved first to London, then in 1937 to the United States, where he spent the rest of his life. His 1939 book The End of Economic Man analysed the rise of fascism. In 1943 General Motors invited him to spend two years studying the company, producing Concept of the Corporation in 1946, one of the first serious studies of how a large modern business actually works. Over the following decades he wrote thirty-nine books and hundreds of articles covering management, innovation, the non-profit sector, economics, and the rise of the knowledge worker. He taught at New York University and for most of his later career at the Claremont Graduate School in California, which named its management school after him. He advised corporations, governments, non-profits, and religious organisations. He died in Claremont in 2005 at the age of ninety-five.

Akira Kurosawa (1910-1998) was a Japanese film director, screenwriter, and editor whose thirty completed feature films include some of the most influential works in the history of cinema. He was born in Tokyo, the youngest of seven children in a family descended from samurai. His older brother Heigo, a narrator for silent films, took him to see European and American movies and introduced him to Western literature; Heigo's suicide in 1933 marked Kurosawa deeply. Kurosawa had initially wanted to be a painter and studied Western art before entering the film industry as an assistant director in 1936. He learned his craft under the veteran director Kajiro Yamamoto and directed his first film in 1943, during the Second World War. After the war he emerged as a major figure in the revival of Japanese cinema. His 1950 film Rashomon won the Golden Lion at the Venice Film Festival and the Academy Award for Best Foreign Language Film, bringing Japanese cinema to wide international attention for the first time. Over the following four decades he directed Seven Samurai, Throne of Blood, The Hidden Fortress, Yojimbo, Ikiru, High and Low, Ran, and many other films, adapting Shakespeare, Dostoevsky, and Japanese sources, and producing original works set in both historical and contemporary Japan. He faced career setbacks in the 1970s, including a suicide attempt in 1971, but continued working into his late eighties. He was awarded an honorary Oscar in 1990 and died in 1998 at eighty-eight.

Dorothy Crowfoot Hodgkin was an English chemist. She remains the only British woman ever to win a Nobel Prize in any of the sciences. She was born on 12 May 1910 in Cairo, Egypt, where her father worked for the British colonial education service. The family later moved to Sudan. As a young child, Dorothy and her sisters were sent to live with relatives in England while her parents stayed in North Africa. She loved crystals from age ten, when she made her first crystals from chemistry kits. She was one of only two girls allowed to study chemistry at her school in Suffolk, where the subject was thought to be for boys. She studied chemistry at Somerville College, Oxford, from 1928 to 1932. She then went to Cambridge for her PhD with the crystallographer J. D. Bernal. In her mid-twenties she developed serious rheumatoid arthritis, which would deform her hands and feet for the rest of her life. She kept working anyway. She returned to Oxford in 1934 and worked there for the rest of her career. In 1937 she married Thomas Hodgkin, a historian who became an authority on African history. They had three children. She spent decades working out the three-dimensional structures of complicated biological molecules using X-ray crystallography. She solved the structure of penicillin in 1945, vitamin B12 in 1955, and finally insulin in 1969, after working on it for thirty-four years. She won the Nobel Prize in Chemistry in 1964. She died on 29 July 1994, aged 84.

Marshall McLuhan (1911-1980) was a Canadian media theorist. He was born in Edmonton, Alberta, and studied literature at the University of Manitoba and Cambridge University in England. He spent most of his academic career at the University of Toronto, where he became one of the most famous and controversial public intellectuals of the 1960s and 1970s. He is best known for two phrases that have become part of everyday language: the medium is the message and the global village. His books Understanding Media (1964) and The Gutenberg Galaxy (1962) argued that the dominant communication technology of any period, whether oral storytelling, writing, print, or electronic media, shapes how people think, what they can think, and how they organise their social lives far more profoundly than the content of any particular message. He was dismissed by many academic critics as too speculative and too interested in provocation, but he was also widely celebrated by artists, media professionals, and a general public who found his ideas illuminating. He had a stroke in 1979 that left him unable to speak and died in 1980. His ideas have gained new relevance in the age of the internet and social media.

Alan Turing was an English mathematician, codebreaker, and founder of modern computer science. He was born in London on 23 June 1912. His father worked in the Indian Civil Service, which meant Turing's parents spent much of his childhood abroad. He and his older brother were often raised by foster families in England. As a boy he was shy, odd, and brilliant at mathematics. He studied at King's College, Cambridge, and then earned a PhD at Princeton in 1938. In 1936, while still a student, he wrote a paper called On Computable Numbers. It described an imaginary machine that could follow simple rules to perform any calculation. This imaginary machine, now called a Turing machine, became the theoretical foundation of every modern computer. When the Second World War began in September 1939, Turing joined the British codebreaking centre at Bletchley Park. He helped design a machine called the Bombe, used to break the German Enigma code. His work is thought to have shortened the war by years. He was awarded the OBE in 1945. After the war, Turing worked on building real computers in London and Manchester. In 1950 he proposed the Turing test, a way of asking whether a computer could think. He also began work on mathematical biology. In 1952, Turing was prosecuted for being gay, which was then illegal in Britain. He was forced to take hormone treatment as punishment. He died on 7 June 1954, aged 41, from cyanide poisoning. His death was ruled a suicide. In 2013 he received a formal royal pardon.

Milton Friedman was an American economist. He was born in New York City in 1912 and died in 2006. His parents were poor immigrants from Eastern Europe. He was the first person in his family to go to university. Friedman studied economics during the Great Depression, a time of mass unemployment in the 1930s. He spent most of his career at the University of Chicago, from 1946 onwards. The group of economists there became known as the 'Chicago School', and Friedman was its most famous member. Friedman was both a serious academic and a public figure. As an academic, he did careful statistical work on money, prices, and spending. In 1976 he won the Nobel Prize in Economics for this work. But he was also a skilled communicator. He wrote a popular book, 'Capitalism and Freedom', and later made a television series called 'Free to Choose' that was watched by millions. He became the best-known voice arguing for free markets and a smaller role for government. His ideas influenced political leaders in the 1980s, especially in the United States and Britain. He also advised governments in other countries, including Chile, which later drew strong criticism. Friedman was admired and attacked in roughly equal measure. Few economists of the twentieth century were as influential, and few were as fiercely debated.

Taiichi Ohno (1912-1990) was a Japanese industrial engineer whose work at the Toyota Motor Company produced the Toyota Production System, a way of organising manufacturing that has since spread worldwide under names including lean manufacturing and just-in-time production. He was born in 1912 in Dalian, then in Japanese-occupied Manchuria, where his father worked. He graduated from what is now Nagoya Technical High School in 1932 and joined Toyoda Automatic Loom Works, a textile machinery company run by the Toyoda family. In 1943 he moved to Toyota Motor Company, the automobile manufacturer that the same family had founded. He would remain there for the rest of his career. He started as a shop-floor supervisor and rose through operational roles, eventually becoming executive vice president in 1975. His rise came through his practical work on the production line, not through the management hierarchy. Starting in the late 1940s and continuing through the 1950s and 1960s, he developed the production methods that would make Toyota one of the most efficient and quality-focused manufacturers in the world. The methods were not written down in any comprehensive way for decades; they were transmitted through the practice of production workers and engineers trained by Ohno himself. Workshops and demonstrations — not textbooks — were his teaching methods. His short book Toyota Production System: Beyond Large-Scale Production, published in Japanese in 1978 and in English in 1988, remains the most direct source for his ideas. Western interest in his work exploded in the 1980s when American manufacturers began realising that they had been outcompeted by Japanese firms using methods they did not understand. He retired from Toyota in 1978 and died in Toyota City in 1990.

Aimé Césaire (1913-2008) was a poet, playwright, and political thinker from Martinique, an island in the Caribbean that was, and still is, a French territory. He was born into a poor family but won a scholarship to study in Paris, where he became one of the most brilliant students of his generation. In Paris in the 1930s, he and other Black students from Africa and the Caribbean came together to talk about their shared experience of being treated as inferior by French colonial culture. From these conversations came the Negritude movement: a literary and political project that celebrated African and Black culture, history, and identity as something to be proud of, not ashamed of. Césaire returned to Martinique and became its most important political figure, serving as mayor of the capital Fort-de-France for nearly fifty years and as a member of the French parliament. He is best known for two works: his poem Notebook of a Return to the Native Land, and his political essay Discourse on Colonialism, published in 1950. He died in 2008 at the age of 94, still celebrated as Martinique's greatest son.

Albert Camus (1913-1960) was a French-Algerian novelist, playwright, and philosopher. He was born in Mondovi in French colonial Algeria into a poor working-class family: his father was killed in the First World War when Camus was less than a year old and his mother was partially deaf and nearly illiterate. He grew up in poverty in Algiers, where he was a gifted student whose high school teacher, Louis Germain, helped him win a scholarship that changed the course of his life. He studied philosophy at the University of Algiers but contracted tuberculosis, which prevented him from taking his final examinations and recurred throughout his life. He worked as a journalist in Algeria and then in Paris, became involved in the French Resistance during the German occupation, and published his most important works in the 1940s: the novel The Stranger, the philosophical essay The Myth of Sisyphus, the plague novel La Peste, and the philosophical essay The Rebel. He received the Nobel Prize for Literature in 1957, when he was forty-three years old. He died in a car accident in 1960. He was forty-six.

Arthur Lewis was an economist. He was born in 1915 on the Caribbean island of Saint Lucia, which was then a British colony. His parents were teachers who had moved there from Antigua. His father died when Lewis was seven, and his mother raised five sons alone. Lewis was a brilliant student. He won a scholarship to study in Britain at the London School of Economics. He had wanted to be an engineer, but as a Black man in the 1930s he believed no firm would hire him, so he turned to economics and business. He did extremely well. In 1948, at just 33, he became a professor at the University of Manchester. He was the first Black person to hold such a post at a British university. Lewis spent his career studying a single great question: why some countries are rich and others poor, and how poor countries can grow. He also worked in the real world. He advised the new governments of several countries that were becoming independent from colonial rule, including Ghana, and helped set up the Caribbean Development Bank. Later he taught at Princeton University in the United States. In 1979 he was awarded the Nobel Prize in Economics for his work on development. He remains the only Black person to win the prize in economics. He died in 1991 and is buried in Saint Lucia.

Claude Shannon was an American mathematician and engineer. He invented the field of information theory. His work made the digital age possible. Almost every technology that uses digital signals (mobile phones, the internet, computers, GPS, streaming, modern medical imaging) depends on ideas Shannon developed in the 1930s and 1940s. He was born in 1916 in Petoskey, Michigan, and grew up in the small town of Gaylord. His father was a small-town judge. His mother was a language teacher and school principal. Shannon was a clever, curious child. He built his own telegraph as a teenager, using barbed wire fences to connect with a friend's house. He studied electrical engineering and mathematics at the University of Michigan, graduating in 1936. He went to MIT for graduate work. His 1937 master's thesis, written when he was 21, applied Boolean logic (a form of mathematical logic developed in the 19th century) to electrical circuits. The work showed that any logical operation could be performed by appropriate combinations of switches. The thesis has been called the most important master's thesis of the 20th century. It became the foundation for designing all digital computer hardware. During the Second World War, Shannon worked on cryptography (the science of codes) at Bell Laboratories. He met the British codebreaker Alan Turing during the war. The two men had lunch together regularly when Turing visited the United States. After the war, Shannon stayed at Bell Labs. In 1948, he published A Mathematical Theory of Communication, the founding paper of information theory. He was 32. He continued working at Bell Labs and later at MIT until he developed Alzheimer's disease in the 1990s. He died in 2001.

Eric Hobsbawm was a British historian and one of the most influential historians of the 20th century. He wrote about the rise of capitalism, the development of the modern world, and the major political movements of the 19th and 20th centuries. He was a lifelong Marxist and Communist Party member. His writing was clear, ambitious, and read by both academics and general audiences. He was born in Alexandria, Egypt, in 1917. He died in London in 2012, aged 95. He came from a Jewish family. His father was British. His mother was Austrian. He was born in Alexandria where his father worked. The family moved to Vienna, then to Berlin. Both his parents died young. He was orphaned by 14. An aunt brought him to England in 1933, the year Hitler came to power in Germany. His timing was lucky. The move to England saved his life. Most of his Central European Jewish family who stayed behind were eventually killed in the Holocaust. He studied history at Cambridge from 1936. He joined the Communist Party as a young man and remained a member for the rest of his life, despite the party's decline and the revelations of Stalin's crimes. He served in the British army during the Second World War. After the war, he became a lecturer at Birkbeck College, University of London, where he taught for over 50 years. He wrote many books. His most famous are the four-volume series on the modern world: The Age of Revolution (1962), The Age of Capital (1975), The Age of Empire (1987), and The Age of Extremes (1994). Together these books cover European and world history from 1789 to 1991. He also wrote on bandits, on jazz, on nationalism, and on many other subjects. His autobiography Interesting Times came out in 2002. He continued writing into his nineties.

Katherine Johnson was an American mathematician. She did the calculations that helped send the first American astronauts into space and to the Moon. She worked at NASA for over 30 years. She was a Black woman in a field that was largely white and male. Her work was central to the success of the early American space programme. She was born in 1918 in White Sulphur Springs, West Virginia. Her birth name was Katherine Coleman. From a young age, she loved counting. She counted everything: steps, dishes, the stars. She was so advanced that she finished primary school by age 10. The local town did not have a high school for Black children. Her father moved the family 200 kilometres so that Katherine and her siblings could attend a school that did. She went on to West Virginia State, a historically Black college, and graduated with degrees in mathematics and French at 18. In 1953 she joined the National Advisory Committee for Aeronautics (NACA), which became NASA in 1958. She was hired as a 'human computer'. Before electronic computers were trusted, dozens of women did mathematical calculations by hand. Black women at NACA were segregated from white women. They worked in a separate building with separate bathrooms. Johnson pushed past these limits. She joined the all-male Flight Research Division. She did calculations for the first American manned space flights. In 1962, before John Glenn orbited Earth, he asked specifically for Johnson to verify the computer's calculations by hand. He trusted her over the machine. She continued at NASA until 1986. She lived to be 101, dying in 2020.

Nelson Rolihlahla Mandela was a South African lawyer, freedom fighter, and statesman. He led the long struggle to end apartheid, the racist system that ruled South Africa from 1948 to 1994. He was born on 18 July 1918 in Mvezo, a small village in the Eastern Cape. He was given the name Rolihlahla, which in Xhosa roughly means 'pulling the branch of a tree' or, informally, 'troublemaker'. A teacher gave him the English name Nelson when he started school. He came from a Thembu royal family. His father died when Nelson was nine, and he was raised at the royal court. He trained as a lawyer in Johannesburg. With his friend Oliver Tambo, he opened the first Black law firm in South Africa in 1952. Black South Africans had almost no rights under apartheid. They could not vote, were forced to live in poor 'townships', and had to carry passes to enter white areas. Mandela joined the African National Congress (ANC) in 1943. He helped lead peaceful campaigns through the 1950s. After the Sharpeville massacre in 1960, when police killed 69 unarmed Black protesters, he changed his mind about non-violence. In 1961 he co-founded Umkhonto we Sizwe (Spear of the Nation), the armed wing of the ANC. He was arrested in 1962 and put on trial for sabotage. In 1964 he was sentenced to life in prison. He served 27 years, mostly on Robben Island. He was released on 11 February 1990. He led the negotiations that ended apartheid. He became South Africa's first democratically elected president in 1994. He died on 5 December 2013, aged 95.

Gertrude Elizabeth Margaret Anscombe was a British philosopher. She was one of the most important philosophers writing in English in the 20th century. She was born on 18 March 1919 in Limerick, Ireland, where her father was stationed with the British Army. The family moved back to England soon after. She studied at Sydenham School in south London and then at St Hugh's College, Oxford, from 1937 to 1941. At Oxford she earned the highest degree in classics and philosophy. As a teenager, she read herself into Catholicism and converted, against her Anglican family's wishes. She remained a devout Catholic for the rest of her life. Her religion shaped her philosophy but did not limit it. She was also ferociously independent. As an Oxford undergraduate in 1939, she co-wrote a pamphlet arguing that Britain's entry into the Second World War was not justified. She kept this position even as most of her country and family disagreed. In 1942 she moved to Cambridge to study with Ludwig Wittgenstein, one of the most important philosophers of the 20th century. He became her teacher and friend. She was one of very few students he trusted. When he died in 1951, he named her as one of his three literary executors. She translated his major work, Philosophical Investigations, from German into English in 1953. This translation became the standard English version and is still read today. She married the philosopher Peter Geach in 1941. They had seven children. She held positions at Oxford for almost twenty years, then moved to Cambridge in 1970 to take the chair in philosophy once held by Wittgenstein. She was a striking figure: she wore trousers and men's clothes in an era when this was unusual, smoked cigars, and did not take her husband's name. She died in Cambridge on 5 January 2001, aged 81.

Iris Murdoch was an Irish-British philosopher and novelist. She is one of the most important moral philosophers of the 20th century. She was also one of the most successful British novelists of her time. She published 26 novels alongside her philosophical work. She was born in 1919 in Dublin, Ireland. Her family moved to London when she was very young. She studied classics and ancient philosophy at Oxford from 1938. The Second World War interrupted her studies. She worked for the British Treasury and then for the United Nations relief agency in displaced persons camps in Europe after the war. She saw the human consequences of the war directly. The experience shaped her later thinking about moral life. In 1948 she became a philosophy fellow at St Anne's College, Oxford. She taught there for many years. In 1956 she married John Bayley, a literary critic. The marriage lasted until her death and was unconventional in many ways. She had several intense relationships with both men and women throughout her life, often while married. Her first novel, Under the Net, came out in 1954. The book was successful. She continued writing novels alongside philosophy for the rest of her career. Her novels are full of complicated relationships, moral struggles, and sudden surprising events. Some readers love them. Some find them odd. Her philosophical books include The Sovereignty of Good, one of the most loved short books in 20th-century moral philosophy. In the early 1990s, she developed Alzheimer's disease. The illness slowly destroyed her ability to think and write. She died in 1999, aged 79. Her husband John Bayley wrote a famous memoir about her decline.

Mary Midgley was a British moral philosopher. She is one of the most original ethical thinkers of the 20th century. She is best known for her work on animals, evolution, science, and what makes humans morally serious. She wrote in plain language for general readers as well as academic ones. She was born in 1919 in London. She died in 2018, aged 99. She was active and writing books well into her 90s. She studied classics and philosophy at Oxford from 1938. She belonged to a remarkable generation of women philosophers there, including Iris Murdoch, Elizabeth Anscombe, and Philippa Foot. They all attended Oxford during the Second World War, when many male students had been called away. The reduced male presence created an unusual opportunity. Together these four women, sometimes called the Oxford Quartet, would later help reshape Anglo-American moral philosophy. After Oxford, Midgley married the philosopher Geoffrey Midgley in 1950. They moved to Newcastle in northern England, where Geoffrey took a teaching post. Mary raised three sons. She did not publish her first book until she was 59. Beast and Man came out in 1978. The book was a major statement on the relationship between human beings and other animals. It launched her late and remarkable writing career. From 1978 until her death 40 years later, she wrote book after book. She criticised what she saw as scientific over-reach by figures like Richard Dawkins. She wrote about ethics, religion, evolution, and the role of myth in scientific thinking. She became known as a sharp, clear, plain-spoken critic of bad ideas. She finished her last book just months before her death at 99.

Eduardo Chivambo Mondlane was a Mozambican anthropologist and revolutionary who founded FRELIMO, the movement that led Mozambique's independence struggle against Portugal. He was born in 1920 in N'wajahani, in the Gaza province of southern Mozambique, then a Portuguese colony. He was the fourth of sixteen sons of a Tsonga chief. The colonial school system was almost only for Europeans, but Mondlane gained entry through Swiss Presbyterian mission schools. He worked as a shepherd as a boy. Education in his country was almost impossible; he had to leave to get any. His academic journey was extraordinary. He studied in South Africa at Witwatersrand University, but was expelled in 1949 for opposing the new apartheid regime. He went briefly to Lisbon, then to Oberlin College in Ohio in 1951, then to Northwestern University in Illinois, where he earned a PhD in sociology in 1960. He worked at the United Nations from 1957, then taught anthropology at Syracuse University in the early 1960s. He married Janet Johnson, a white American woman from Indiana. In 1962 he left academic life. He went to Dar es Salaam in Tanzania to help unite three Mozambican exile groups into a single movement. The result was FRELIMO, the Front for the Liberation of Mozambique. He became its first president. Under his leadership FRELIMO began the armed struggle against Portuguese rule in 1964. He wrote his book The Struggle for Mozambique while leading the war. On 3 February 1969, in Dar es Salaam, he opened a parcel addressed to him. It contained a bomb. He was killed instantly. The Portuguese secret police, PIDE, is widely believed to have been responsible. He was 48. Mozambique gained independence six years later, in 1975.

Oodgeroo Noonuccal was an Aboriginal Australian poet, activist, teacher, and artist. She was the first Aboriginal Australian to publish a book of poetry. Her work helped shape modern Aboriginal political and cultural identity. She was born in 1920 on Stradbroke Island, off the coast of Queensland in eastern Australia. The island is called Minjerribah in her language. Her birth name was Kathleen Jean Mary Ruska. In 1988, the year of Australia's bicentennial, she changed her name to Oodgeroo Noonuccal. 'Oodgeroo' is the Noonuccal word for 'paperbark', a tree common on her island. 'Noonuccal' is the name of her people. The name change was a public political act. She wanted a name that came from her own land, not from English colonisers. She grew up in poverty under harsh laws that controlled Aboriginal lives. Aboriginal Australians could not vote, marry without permission, or move freely. Her family lived on government rations. She left school at 13 to work as a domestic servant in white households. During World War II she joined the Australian Women's Army Service, one of the first Aboriginal women to do so. In 1964 she published her first poetry book, We Are Going. It sold out quickly. She became a major activist for Aboriginal rights. She helped lead the campaign for the 1967 referendum that finally allowed Aboriginal Australians to be counted as citizens. She wrote books for children, painted, and ran a cultural centre on her island. She died in 1993, aged 72. Her son Vivian taught and worked alongside her.

Ravi Shankar was an Indian musician. He played the sitar, a long-necked string instrument from northern India. He is the most famous Indian classical musician of the 20th century. He was born in 1920 in the city of Varanasi (also called Banaras), in northern India. He came from a Bengali Brahmin family. His father was a lawyer and scholar who left the family when Ravi was young. His older brother Uday Shankar was a famous dancer who toured the world with an Indian dance company. As a boy, Ravi joined his brother's troupe. He travelled across Europe and America as a young dancer and musician. He met many Western artists in this period. At 18, he made a serious decision. He left his brother's company and went to study music seriously with a great teacher named Allauddin Khan in central India. He spent seven years in Khan's home, training intensively in the strict Indian classical tradition. This kind of long apprenticeship was traditional. The teacher was almost a parent. Ravi later married Khan's daughter, Annapurna Devi, who was also a brilliant musician. From the 1950s onwards, his career grew rapidly. He performed across India, then in Europe and America. In the 1960s he became famous in the West, partly because of his friendship with George Harrison of the Beatles. He continued performing into his nineties. He had a complex personal life, with several partners and four children, including the musicians Anoushka Shankar and Norah Jones. He died in San Diego in 2012, aged 92.

Rosalind Franklin (1920-1958) was a British chemist and X-ray crystallographer. She was born in London into a prominent Jewish family and showed exceptional scientific ability from childhood. She studied chemistry at Cambridge University and then worked in Paris, where she became expert in X-ray crystallography: a technique that uses X-rays to determine the three-dimensional structure of molecules. She returned to England in 1951 to work at King's College London, where she was assigned to study the structure of DNA. Working with extraordinary precision, she produced some of the clearest X-ray photographs of DNA ever taken, including the famous Photo 51, which showed clear evidence of the double-helix structure. This photograph was shown to James Watson without her knowledge or permission by her colleague Maurice Wilkins. Watson and Francis Crick, who also had access to Franklin's unpublished data through other channels, used this information to build their model of DNA. Their paper announcing the double-helix structure was published in Nature in April 1953. Franklin was not credited as a contributor. She went on to do brilliant work on the structure of viruses at Birkbeck College before dying of ovarian cancer in 1958 at the age of thirty-seven. Watson, Crick, and Wilkins received the Nobel Prize for the discovery of DNA's structure in 1962.

John Rawls (1921-2002) was an American political philosopher, widely regarded as the most important political philosopher of the twentieth century. He was born in Baltimore, Maryland, and studied at Princeton University. He served in the Pacific during the Second World War, an experience that shook his earlier religious faith and deepened his concern with questions of justice: he witnessed the bombing of Hiroshima from close range and refused a commission that would have required him to participate in such actions again. He spent most of his academic career at Harvard University, where he taught from 1962 until his retirement. His major work, A Theory of Justice, published in 1971, transformed academic political philosophy and became one of the most discussed books of the century. In it he developed a systematic theory of justice grounded in the idea of a social contract among free and equal citizens choosing principles of justice from behind a veil of ignorance. His later work, Political Liberalism (1993) and The Law of Peoples (1999), developed and revised his ideas in response to criticism. He died in 2002.

Howard Zinn (1922-2010) was an American historian, playwright, and activist. He was born in Brooklyn, New York, to Jewish immigrant parents who worked in factories, and grew up in poverty during the Great Depression. He served as a bombardier in the United States Army Air Forces during the Second World War, an experience that turned him against the use of mass violence in war. After the war he studied history at Columbia University under the GI Bill and became a professor. He taught at Spelman College, a historically Black women's college in Atlanta, where he became deeply involved in the civil rights movement, before moving to Boston University. In 1980 he published A People's History of the United States, which retold American history from the perspectives of indigenous people, enslaved Africans, women, immigrants, and working people rather than from the perspective of political and military leaders. The book has sold over two million copies and has been continuously in print. He was also a prominent anti-war activist, opposing American involvement in Vietnam, the Gulf War, and the Iraq War. He died in 2010 at the age of eighty-seven.

Thomas Kuhn (1922-1996) was an American philosopher and historian of science. He studied physics at Harvard University and then became interested in the history of science: how scientific ideas had actually developed over time, rather than how scientists described the process. What he found surprised him. Science did not progress smoothly by adding new facts one by one. Instead, it went through long periods of normal work, interrupted by sudden, dramatic changes when the whole way of thinking about a subject was replaced. He described this in his book The Structure of Scientific Revolutions, published in 1962. It became one of the most widely read and discussed books in the history of science. Kuhn spent his career at universities including Harvard, Berkeley, Princeton, and the Massachusetts Institute of Technology. His ideas changed not only how people think about science but how they think about knowledge and change in many other fields too.

E.P. Thompson (1924-1993) was a British historian, socialist activist, and peace campaigner. His full name was Edward Palmer Thompson. He was born in Oxford into a family with strong connections to India: his father had been a Methodist missionary and a friend of Rabindranath Tagore, and Thompson grew up with an internationalist outlook. He studied at Cambridge, served in the Second World War in Italy, and then worked as an adult education tutor for the Workers Educational Association in Yorkshire, teaching history to working-class communities. This experience of teaching history to people whose own ancestors rarely appeared in it profoundly shaped his work. He left the Communist Party of Great Britain in 1956 following the Soviet invasion of Hungary and became one of the founders of the New Left in Britain. His monumental work The Making of the English Working Class, published in 1963, transformed how historians thought about their subject. He was also a leading figure in the European Nuclear Disarmament movement in the 1980s. He died in 1993.

James Baldwin (1924-1987) was an American novelist, essayist, playwright, and activist. He was born in Harlem, New York, the eldest of nine children. His mother's partner, David Baldwin, a storefront preacher, was a powerful and terrifying figure in his childhood, and the tensions between religious passion and the world's brutality run through all of Baldwin's work. He grew up in poverty in Harlem during the Depression, was a gifted student who discovered books and libraries as a way out of the world around him, and became a junior preacher at fourteen. By seventeen he had left the church, though its language and rhythms never left his writing. In 1948, at twenty-four, he left the United States for Paris, driven away by the daily humiliations and the constant threat of racial violence. He spent much of his adult life in France but never stopped writing about and returning to America. His first novel, Go Tell It on the Mountain, was published in 1953, and was followed by Giovanni's Room, Another Country, and Tell Me How Long the Train's Been Gone, among others. His essay collections — Notes of a Native Son, Nobody Knows My Name, The Fire Next Time, and No Name in the Street — are among the most important works of American prose in the twentieth century. He died in Saint-Paul-de-Vence in France in 1987.

Patrice Émery Lumumba was a Congolese political leader and the first Prime Minister of the independent Democratic Republic of the Congo. He was born in 1925 in Onalua, a village in the Kasai region. He came from the Tetela people. He was educated at mission schools and worked as a postal clerk and then as a beer salesman in Stanleyville (now Kisangani) and Léopoldville (now Kinshasa). During the 1950s, he became active in politics. He wrote articles, gave speeches, and helped found trade unions and cultural groups. In 1958, he helped create the Mouvement National Congolais, a party that wanted independence from Belgium for the whole country, not for one region only. He attended the All-African Peoples' Conference in Accra, Ghana, and met leaders like Kwame Nkrumah. Belgium agreed to give Congo independence on 30 June 1960. Lumumba became Prime Minister. He was 35 years old. His independence day speech, delivered in the presence of the Belgian King, shocked the world with its honesty about colonial violence. Within weeks, the new country fell into crisis. Parts of the country tried to break away. Belgian troops returned. Lumumba asked the United Nations and then the Soviet Union for help. Western powers, afraid of losing Congo's minerals, worked against him. He was removed from office, arrested, and handed over to his enemies. He was killed on 17 January 1961, aged 35.

Clifford Geertz (1926-2006) was an American cultural anthropologist and one of the most influential social scientists of the twentieth century. He was born in San Francisco and served in the US Navy during the Second World War before studying at Antioch College and Harvard, where he received his PhD in 1956. He conducted fieldwork in Java, Bali, and Morocco — societies that became the material for his most important work. He spent most of his career at the University of Chicago and then at the Institute for Advanced Study in Princeton, where he worked from 1970 until his death. His most important works include The Religion of Java (1960), Agricultural Involution (1963), The Interpretation of Cultures (1973), Negara: The Theatre State in Nineteenth-Century Bali (1980), and Local Knowledge (1983). He was awarded the National Book Critics Circle Award in 2000 for Available Light: Anthropological Reflections on Philosophical Topics. He died in 2006.

Michel Foucault was a French philosopher and historian. He was one of the most influential thinkers of the 20th century. He was born on 15 October 1926 in Poitiers, France, into a middle-class family. His father was a surgeon. He was expected to follow his father into medicine but chose philosophy instead. This caused serious tension at home. As a young man, he struggled with depression and attempted suicide at least once while a student. He studied at the prestigious École Normale Supérieure in Paris in the late 1940s, where his classmates included future major thinkers like Louis Althusser. After university, he worked in Sweden, Poland, Germany, and Tunisia before returning to France. He completed his doctorate in 1961. The thesis, published as Madness and Civilization, was the first of his major books. He held teaching positions at several French universities and in 1970 was elected to the Collège de France, the most prestigious academic institution in France. His yearly lectures there, now published in full, drew large audiences. He wrote a series of major books including The Order of Things (1966), Discipline and Punish (1975), and the three volumes of The History of Sexuality (1976-1984). He was openly gay in a time when this was still unusual for a public intellectual. He was politically active, involved in campaigns around prison reform, gay rights, and opposition to French immigration policy. He died of AIDS on 25 June 1984 in Paris, aged 57. He was one of the first major public figures to die of the disease.

Noémia de Sousa was a Mozambican poet and journalist who is widely called 'the mother of Mozambican poetry'. She was born Carolina Noémia Abranches de Sousa Soares in 1926 in Catembe, a coastal village just across the bay from what was then Lourenço Marques and is now Maputo. Her father was of mixed race and her mother had Portuguese roots; she grew up between worlds, neither fully accepted by colonial European society nor straightforwardly identified with the African majority. The position shaped her writing. Her father died when she was eight. Two of her brothers were already studying in Lisbon. She finished her own studies at a commercial school in Lourenço Marques. By her late teens she was already writing poetry and political journalism for O Brado Africano, the most important pro-African newspaper in colonial Mozambique. She edited the women's pages. Her poems began to circulate in literary circles across the Portuguese-speaking world. She wrote her major poetic work in just three years, between 1948 and 1951, when she was in her early twenties. In 1951 the Portuguese colonial authorities exiled her to Portugal. She was 25. She would never live in Mozambique again. She lived in Lisbon from 1951 to 1964, then in Paris from 1964 to 1973, working as a translator and journalist throughout. She returned to Lisbon after the 1974 Carnation Revolution. Her single poetry collection, Sangue Negro (Black Blood), circulated in samizdat form for decades. It was finally published in book form by the Mozambican Writers' Association in 2001, when she was 75. She died in Cascais, Portugal, in 2002. Her body was returned to Mozambique.

Thich Nhat Hanh was a Vietnamese Buddhist monk, teacher, poet, and peace activist. He is one of the most important Buddhist teachers of the modern world. Many readers in the West first met Buddhist ideas through his books. He was born in 1926 in central Vietnam, in what was then a French colony. He became a monk at the age of 16. He took the religious name Thich Nhat Hanh. 'Thich' is the religious surname taken by all Vietnamese Buddhist monks and nuns, after the family name of the Buddha. He studied Buddhism in Vietnam and later studied comparative religion at Princeton University in the United States. During the Vietnam War (1955-1975), he founded a movement called Engaged Buddhism. Monks, nuns, and lay people worked to help villagers caught in the war. They rebuilt destroyed villages, set up schools, and cared for refugees. They refused to take sides between the Communist North and the American-backed South. Both sides treated this as betrayal. In 1966, Thich Nhat Hanh travelled to America to ask the United States to end the war. He met Martin Luther King Jr., who later nominated him for the Nobel Peace Prize. The Vietnamese government refused to let him return home. He lived in exile for 39 years. He founded a monastery in southern France called Plum Village in 1982. From there he wrote over 100 books and travelled the world teaching mindfulness. In 2018 he returned to Vietnam to die in the temple where he had become a monk. He died there in 2022, aged 95.

Hans Küng was a Swiss Catholic priest and theologian. A theologian is a scholar who studies the meaning and history of religion. He was born in 1928 in Sursee, a small town in central Switzerland. He died in 2021 in Tübingen, Germany, at the age of 93. Küng studied for the priesthood in Rome and was ordained a Catholic priest in 1954. From 1960 he was a professor at the University of Tübingen in Germany, where he taught for the rest of his career. In 1962 the Pope chose him as one of the youngest expert advisers at the Second Vatican Council. This was a great meeting of Catholic bishops that aimed to bring the Church into the modern world. Küng was one of the most famous and controversial Catholic thinkers of the twentieth century. He challenged the official teaching that the Pope could not be wrong on matters of faith and morals. He also criticised compulsory celibacy for priests and the ban on women priests. In 1979 the Vatican withdrew his licence to teach as a Catholic theologian. He kept his post at Tübingen and remained a Catholic priest. In his later years he led a global project on shared ethics across religions.

Maya Angelou (1928-2014) was an American poet, memoirist, essayist, and public figure whose seven-volume autobiography and body of poetry made her one of the most widely read writers of the twentieth century. She was born Marguerite Annie Johnson in St Louis, Missouri. After her parents' marriage ended, she and her brother Bailey were sent to live with their grandmother in the segregated town of Stamps, Arkansas. At seven, during a visit to her mother, she was raped by her mother's boyfriend; after testifying against him, she stopped speaking for nearly five years. She returned to Stamps and, under the patient attention of a neighbour who introduced her to literature, gradually found her voice again. She left school at sixteen, became San Francisco's first Black streetcar conductor, and gave birth to her son Guy that same year. Over the following decades she worked as a singer, dancer, actor, journalist, activist, and eventually writer. She lived in Ghana in the 1960s and worked closely with both Malcolm X and Martin Luther King Jr in the American civil rights movement. In 1969 she published I Know Why the Caged Bird Sings, the first volume of her autobiography, which became one of the most widely taught books in American schools and has been translated into many languages. She published six further autobiographical volumes, ten books of poetry, essays, plays, and children's books. She recited her poem On the Pulse of Morning at President Bill Clinton's 1993 inauguration, the first inaugural poem in over thirty years. She taught for decades at Wake Forest University in North Carolina and died there in 2014, aged eighty-six.

Fazlur Rahman Khan (1929-1982) was a Bangladeshi-American structural engineer whose innovations transformed how tall buildings are designed and made the modern generation of skyscrapers possible. He was born in Dhaka, then part of British India and later the capital of Bangladesh, to a family of educators. His father was a mathematics teacher who later became director of public instruction for East Bengal. Khan studied civil engineering at the Bengal Engineering College in Calcutta and at Dhaka University. In 1952 he travelled to the United States on a Fulbright scholarship, earning two master's degrees and a doctorate at the University of Illinois by 1955. He joined the Chicago firm of Skidmore, Owings and Merrill, where he spent his entire career and became a partner in 1966. Working closely with architects including Bruce Graham, he designed two of the most important skyscrapers of the twentieth century: the John Hancock Center, completed in 1969, and the Sears Tower, completed in 1973 and the world's tallest building for twenty-five years. He also designed Hajj Terminal at Jeddah airport, one of the largest fabric roof structures in the world. He died of a heart attack in Saudi Arabia in 1982, at only fifty-three. His tubular design systems and his broader philosophy of structural efficiency have become the foundation on which nearly every tall building built since has been constructed.

Tayeb Salih (al-Tayyib Salih) was a Sudanese novelist, short-story writer, and journalist, widely considered one of the most important Arab writers of the twentieth century. He was born on 12 July 1929 in the village of Karmakol, on the Nile near al-Dabbah in northern Sudan. He came from a family of small farmers and religious teachers. He attended a Quranic school as a boy, then continued at Gordon Memorial College in Khartoum (which became the University of Khartoum), where he took a Bachelor of Science degree. He planned to work in agriculture. After a brief period as a schoolteacher in Sudan he won a scholarship to study in London. He never returned to live permanently in Sudan. He spent the rest of his working life abroad, primarily in Britain. He worked for over a decade at the BBC's Arabic Service, eventually becoming Head of Drama. He served as Director-General of Information in Doha, Qatar. He spent his last working years at UNESCO in Paris, including time as UNESCO's representative for the Arab Gulf states. For more than a decade he wrote a weekly column for the London-based Arabic magazine al-Majalla, ranging widely across Arabic and world literature. In 1965 he married Julia Maclean, a Scottish woman; they had three daughters and lived in southwest London. His literary output was small but extraordinarily influential. He published the short story collection A Handful of Dates (1964), the novella The Wedding of Zein (1966), the masterpiece Season of Migration to the North (Mawsim al-Hijra ila al-Shamal, 1966), and the two-part novel Bandarshah (Daw al-Bayt, 1971; Maryud, 1976). In 2001 the Damascus-based Arab Literary Academy named Season of Migration to the North the most important Arabic novel of the twentieth century. He died of kidney failure in London on 18 February 2009 at age 79. His body was returned to Sudan and buried at al-Bakri Cemetery in Omdurman.

Ursula Kroeber Le Guin was an American novelist, essayist, and poet. She is one of the most important writers of science fiction and fantasy in any language. She was born on 21 October 1929 in Berkeley, California. Her parents were unusual. Her father, Alfred Kroeber, was a famous anthropologist who had studied the native peoples of California. Her mother, Theodora Kroeber, was a writer who later produced Ishi in Two Worlds, a book about the last survivor of a California tribe. Their home was full of books, Indigenous friends, and long conversations about other cultures. This upbringing shaped everything Le Guin later wrote. She studied at Radcliffe College and at Columbia University, where she earned a master's degree in French and Italian Renaissance literature. In 1953, travelling by ship to France on a Fulbright scholarship, she met the historian Charles Le Guin. They married and eventually settled in Portland, Oregon, where they raised three children. She lived in Portland for most of her life. She began publishing fiction in the early 1960s. Her breakthrough came with A Wizard of Earthsea (1968), a fantasy novel about a young wizard. It has never gone out of print. The following year, The Left Hand of Darkness (1969) imagined a world where people are neither male nor female most of the time. The Dispossessed (1974) imagined an anarchist society on a moon, seen in dialogue with a capitalist society on the planet it orbits. These three books alone would have made her a major writer. She wrote more than twenty novels, many stories, essays, and poems over six decades. She also translated. Her English version of the Daodejing, the ancient Chinese Daoist text, was published in 1997 and is one of the most admired. She died on 22 January 2018 in Portland, aged 88. She had been writing almost until the end.

Chinua Achebe (1930-2013) was a Nigerian novelist, poet, critic, and professor. He was born Albert Chinualumogu Achebe in Ogidi, in southeastern Nigeria, into an Igbo family. His father was a Christian teacher and Achebe grew up between two worlds: the Igbo traditions of his community and the colonial educational system that his father served. He studied at the University College of Ibadan, which was part of the University of London at the time, and began writing his first novel while still a student. Things Fall Apart, published in 1958 on the eve of Nigerian independence, told the story of Okonkwo, an Igbo man, and his community's encounter with British colonialism. It has become the most widely read African novel ever published, translated into over sixty languages and read by millions of people worldwide. Achebe also wrote several other novels, poetry, essays, and children's books, and taught at universities in Nigeria, the United States, and elsewhere. His essay collection Morning Yet on Creation Day and his later essays in Home and Exile are essential statements of his views on African literature and its relationship to colonialism. He died in 2013 at the age of eighty-two.

Jacques Derrida was a French philosopher. He is best known for a way of reading texts called deconstruction. He was born on 15 July 1930 in El-Biar, a small town near Algiers, in what was then French Algeria. His family was Sephardic Jewish. They had lived in Algeria for many generations. French was the language spoken at home. In 1942, when Derrida was twelve, his life changed. The Vichy government in France had passed anti-Jewish laws. These laws reached Algeria too. On the first day of school that year, he was told he could not come back. He was sent away because he was Jewish. He did not attend school for a whole year. He later said this moment marked him for life. After the war, he returned to school. He read hungrily. He discovered Rousseau, Nietzsche, and Sartre. In 1949 he moved to Paris. After two tries, he got into the École Normale Supérieure in 1952. This is France's top university for philosophy. He met great teachers and students there. He also met his future wife, Marguerite. He published his first major books in 1967. There were three of them in one year: Of Grammatology, Writing and Difference, and Speech and Phenomena. These books made him famous, first in France and then around the world. He taught in Paris and at many universities in the United States. He wrote more than forty books in total. He died on 9 October 2004 of pancreatic cancer, aged 74.

Pierre Bourdieu (1930-2002) was a French sociologist whose work on class, culture, and power made him one of the most influential social scientists of the second half of the twentieth century. He was born in the village of Denguin in the Béarn region of south-western France, close to the Pyrenees mountains. His family was not wealthy. His father had left school young and worked as a postal employee and then as a small farmer. His mother was a country woman from a similar background. Bourdieu was a clever pupil, and his teachers helped him move up through the French education system — first to the lycée in Pau, then to the elite preparatory classes in Paris, and finally to the prestigious École Normale Supérieure, where he studied philosophy alongside Jacques Derrida and other future major thinkers. His country origins in a Paris of educated elites shaped his whole life and work. He always felt partly out of place in elite circles, and this experience of not quite belonging gave him a special eye for how social distinction actually works. After finishing his studies, he was sent to Algeria as a French army conscript in 1955, during the war for Algerian independence. The experience changed him. He saw colonial oppression first-hand, stayed on to do fieldwork as a sociologist-anthropologist after his military service, and produced his first books about Algerian society under French rule. He returned to France in 1960 and began building the distinctive approach that would occupy the rest of his career. He held posts at Lille and Paris before becoming professor at the Collège de France in 1981 — the highest academic position in France. He founded the Centre for European Sociology and a research journal, both of which became centres of major work. His books include Distinction (1979) on taste and class, Homo Academicus (1984) on the sociology of academia, The Rules of Art (1992) on the literary field, and many others. In his last years he became increasingly politically active, particularly in opposition to what he called neoliberal policies across Europe. He died in Paris in 2002 at the age of seventy-one. His influence on sociology, education, cultural studies, and political theory has continued to grow since his death.

Sir Albert Maori Kiki was a Papua New Guinean pathologist, trade unionist, politician, and writer. He was a co-founder of the Pangu Pati (Pangu Party), Papua New Guinea's first major political party, and served as the country's first Deputy Prime Minister from 1975 to 1977. His autobiography, Ten Thousand Years in a Lifetime (1968), was the first major book to come out of Papua New Guinea written by an indigenous author and remains a foundational text of Pacific literature. He was born on 21 September 1931 in Orokolo Village, Gulf Province, in what was then the Territory of Papua under Australian administration. He was raised in his Elema people's traditional culture and in the Protestant faith of the London Missionary Society. He later wrote that he had completed his first traditional initiation in the eravo (men's ceremonial house) before the colonial administration's pressure caused such structures to be destroyed; by the time he was old enough for the second initiation, the eravo no longer existed. He was selected by Dr John Gunther, the Australian Director of Health, as one of a small group of promising students to study medicine at the Suva Medical School in Fiji. He failed his medical exams and was redirected into a pathology technician course. He returned to PNG and worked as a laboratory technician at Ela Beach Native Hospital. He became Papua New Guinea's first indigenous pathology technician. In 1958 he married Elizabeth Arivu Miro, a Roman Catholic, in one of the first 'mixed' Protestant-Catholic marriages in the Territory. He helped found the first trade union in Papua New Guinea, then in 1967 was a co-founder of the Pangu Pati. He became its national secretary. After the 1972 elections he entered the House of Assembly. He served as Minister for Lands and Environment under Michael Somare. When PNG became independent on 16 September 1975, he became its first Deputy Prime Minister. He held the role until 10 August 1977, when he was succeeded by Julius Chan. He was knighted as Sir Albert. He died in Port Moresby on 13 March 1993, aged 61.

Toni Morrison (1931-2019) was an American novelist, essayist, editor, and professor. She was born Chloe Ardelia Wofford in Lorain, Ohio, into a Black working-class family with deep roots in African American storytelling traditions. She studied at Howard University and Cornell, and worked for many years as an editor at Random House, where she championed and shaped major works of African American literature. She began writing fiction in her thirties, while raising two children alone after her marriage ended. Her first novel, The Bluest Eye, was published in 1970. She went on to write ten novels in all, each one formally adventurous and morally demanding. Beloved (1987), her most celebrated work, is based on the true story of an enslaved woman who killed her daughter rather than allow her to be returned to slavery. Song of Solomon, Sula, Jazz, and Paradise each explore different dimensions of Black American life and history with extraordinary formal invention. She also wrote important critical essays, most notably Playing in the Dark: Whiteness and the Literary Imagination (1992), which examined how African American presence had shaped and was systematically ignored in American literature. She received the Nobel Prize for Literature in 1993 and the Presidential Medal of Freedom in 2012. She died in 2019 at the age of eighty-eight.

Stuart McPhail Hall was a Jamaican-born British sociologist and cultural theorist. He is one of the founding figures of cultural studies. He was born on 3 February 1932 in Kingston, Jamaica. His family was middle class and mixed race. His parents wanted him to identify as British rather than Jamaican or Black. This early pressure shaped his lifelong interest in identity. In 1951, at nineteen, he won a Rhodes Scholarship to Oxford University. He travelled to England and never moved back to live in Jamaica. He later described arriving in Britain as becoming a 'familiar stranger'. He knew the language and the books. But the country did not know him. This in-between position gave him his unique way of seeing things. He studied literature at Oxford but grew bored with traditional academic work. In the 1950s he helped found the New Left Review. This was a journal for socialist thinkers who rejected both Soviet communism and old British Labour politics. In 1964 he joined the new Centre for Contemporary Cultural Studies at the University of Birmingham. He became its director in 1968. For the next ten years, he turned it into the most important cultural studies centre in the world. In 1979 he moved to the Open University, which taught mostly through TV and correspondence. He wanted to reach ordinary people, not just university students. He stayed there until he retired. He died on 10 February 2014, aged 82. He had suffered from kidney failure for many years.

Umberto Eco (1932-2016) was an Italian philosopher, semiotician, literary theorist, and novelist. He was born in Alessandria in northern Italy and studied philosophy at the University of Turin, writing a doctoral thesis on the medieval philosopher Thomas Aquinas. He then worked in Italian public broadcasting and as a journalist before becoming a professor of semiotics, the study of signs and meaning, at the University of Bologna, where he taught for the rest of his career. He was an enormously prolific scholar who published major academic works on medieval aesthetics, semiotics, the interpretation of texts, and the philosophy of language. In 1980, when he was nearly fifty, he published his first novel, The Name of the Rose, a detective story set in a fourteenth-century Italian monastery. It became an international bestseller translated into dozens of languages, and was followed by several more novels of similar ambition. Eco was unusual in being genuinely important both as an academic philosopher and as a popular novelist, and he saw these two activities as deeply connected: both were explorations of how human beings make and interpret meaning.

Elinor Ostrom (1933-2012) was an American political economist. She was born in Los Angeles and grew up during the Great Depression, a period of severe economic hardship in the United States. She studied political science at the University of California, Los Angeles, and spent most of her career at Indiana University, where she co-founded the Workshop in Political Theory and Policy Analysis. In 2009 she became the first woman to receive the Nobel Prize in Economics. She received it for her work on how communities manage shared resources: things like forests, fisheries, water systems, and grazing land that many people depend on and that can be damaged if anyone takes too much. The standard economic view was that shared resources would always be destroyed by overuse, the so-called tragedy of the commons. Ostrom showed, through decades of careful fieldwork and research across many countries, that this was wrong. Communities around the world had developed their own rules and institutions for managing shared resources sustainably, without privatisation and without government control. She died in 2012, still working.

Fatima Ahmed Ibrahim was a Sudanese feminist, socialist, writer, and political leader. She was the first woman elected to the Sudanese parliament and, according to several sources, the first woman elected to any African parliament. She led the Sudanese Women's Union, one of the largest women's organisations on the African continent, for much of the second half of the twentieth century. She was born in Khartoum in 1933 (some sources give 1928 or 1932) and died in London on 12 August 2017 at age 84. Her funeral in Khartoum a few days later drew large crowds. She came from an educated Sudanese family. Her grandfather had been headmaster of the first Sudanese school for boys and an imam. Her father was a teacher who graduated from Gordon Memorial College and was expelled from a government school for refusing to teach in English. Her mother was among the first generation of Sudanese girls to receive formal schooling. Fatima attended Omdurman Girls' Secondary School, where she founded a wall newspaper called al-Ra'ida (The Pioneer) and led the first women's strike in Sudan, against the school's decision to replace science classes with 'home economics'. The strike won. The pattern of organising and winning began early. In 1947 she founded the Intellectual Women's Association. In 1952 she helped found the Sudanese Women's Union (al-Ittihad al-Nisa'i al-Sudani, SWU). She joined the Sudanese Communist Party in 1954 and served on its Central Committee. In 1965, after Sudanese women won the vote, she was elected to parliament. She campaigned successfully for equal pay, maternity leave, women's suffrage, and other reforms. Multiple Sudanese regimes banned the SWU. She was held under house arrest under Nimeiri. After Bashir's 1989 coup she went into exile in London, leading the SWU from abroad. She returned to Sudan in 2005 and served briefly in parliament again. She received the UN Human Rights Award in 1993 and the Ibn Rushd Prize for Freedom of Thought in 2006.

Nina Simone was an American singer, pianist, and songwriter. Her real name was Eunice Kathleen Waymon. She was born in 1933 in the small town of Tryon, North Carolina, in the southern United States. She was the sixth of eight children in a poor Black family. She was a gifted musician from very early childhood. She could play piano by ear before she was three. She started playing in church and quickly showed serious talent. White and Black neighbours raised money to pay for her piano lessons. Her dream was to become the first major Black classical concert pianist in America. She studied for a year at the Juilliard School in New York. She then applied to the Curtis Institute in Philadelphia. She was rejected. She always believed the rejection was because of her race. The disappointment shaped her life. To make money, she began singing and playing in nightclubs. She took the stage name Nina Simone partly so her religious mother would not know what she was doing. Her first album came out in 1958. By the early 1960s she was famous. She mixed jazz, classical, blues, gospel, folk, and African music. As the civil rights movement grew, she became one of its most powerful musical voices. After the assassination of Martin Luther King Jr. in 1968, she grew more bitter and politically angry. She left the United States in the 1970s and lived in many countries. She struggled with mental illness, possibly bipolar disorder, throughout her later life. She died in France in 2003.

Ruth Bader Ginsburg was an American lawyer and Supreme Court Justice. She is widely seen as one of the most important legal advocates for gender equality in modern history. She was born Joan Ruth Bader on 15 March 1933 in Brooklyn, New York. Her family was Jewish, with roots in Eastern Europe. They were not wealthy. Her mother Celia died of cancer the day before Ruth's high school graduation. She studied at Cornell University, where she met Martin Ginsburg. They married in 1954. The marriage lasted 56 years. Marty Ginsburg was an extraordinary support to her career. He was a tax lawyer, a brilliant cook, and her closest friend. Ginsburg attended Harvard Law School, where she was one of nine women in a class of over 500 men. She transferred to Columbia Law School to be with Marty in New York and graduated joint top of her class. Despite her record, she could not find a Supreme Court clerkship. Law firms often refused to hire her. She was, she later said, 'a woman, a Jew, and a mother to boot'. She became a law professor at Rutgers, then Columbia. In 1972 she co-founded the Women's Rights Project at the American Civil Liberties Union (ACLU). As its head she argued six cases before the Supreme Court between 1973 and 1976, winning five. President Carter appointed her to a federal appeals court in 1980. President Clinton nominated her to the Supreme Court in 1993. She served there for 27 years until her death from pancreatic cancer on 18 September 2020, aged 87. She was the second woman ever to serve on the Court.

Vine Deloria Jr. was a Native American scholar, writer, and activist. He was the most influential Native American intellectual of the 20th century. His books changed how Native Americans were studied in universities and how Native communities thought about themselves. He was born in 1933 in Martin, South Dakota. He came from the Standing Rock Sioux tribe. The Sioux are also known by their own names, including Lakota and Dakota. His family had a long history of leadership. His grandfather was a Yankton Sioux man named Tipi Sapa. His father, Vine Deloria Sr., was an Episcopal priest, one of the first Native American priests in that church. His aunt was the writer and historian Ella Deloria. The family combined deep involvement in the Christian church with deep loyalty to Sioux traditions. The combination shaped Vine Jr.'s thinking. He studied at Iowa State University and then at the Lutheran School of Theology in Illinois. He earned a master's degree in theology in 1963. He also earned a law degree in 1970. He served as executive director of the National Congress of American Indians from 1964 to 1967, the major political organisation for Native nations. His first book, Custer Died for Your Sins, came out in 1969. It was an angry, funny, wide-ranging attack on how white America treated Native Americans. It became a major bestseller. He went on to write more than 20 books on law, religion, science, and history. He taught at several universities, ending at the University of Colorado. He died of cancer in 2005, aged 72. His son Philip Deloria is also a leading scholar.

Audre Lorde (1934-1992) was an American poet, essayist, teacher, and political activist whose work insisted on the interconnection of race, gender, sexuality, and class in the analysis of power. She was born Audrey Geraldine Lorde in New York City to parents who had emigrated from Grenada in the Caribbean. She dropped the y from her name as a child, preferring the symmetry of Audre Lorde. She grew up in Harlem during the Depression, attended Hunter College and Columbia University, and worked as a librarian while beginning to publish her poetry. Her first book of poems appeared in 1968. She went on to publish ten further poetry collections, three prose books including the autobiographical novel Zami: A New Spelling of My Name, and a large body of essays and speeches gathered in Sister Outsider and other volumes. She taught at Tougaloo College in Mississippi and later held a long professorship in English at Hunter College in New York. She was diagnosed with breast cancer in 1978 and wrote The Cancer Journals, one of the first serious public accounts of the experience. She lived for a period in the Caribbean island of St Croix, where she continued her writing and political organising. She died of liver cancer in 1992, aged fifty-eight. She described herself, in a phrase that became famous, as a Black, lesbian, mother, warrior, poet — refusing to be reduced to any single part of that identity.

Edward Wadie Said was a Palestinian-American literary critic, public intellectual, and music critic. He was one of the founders of postcolonial studies. He was born on 1 November 1935 in Jerusalem, in what was then British Mandate Palestine. His family was Palestinian Christian. His father was a successful businessman with American citizenship. The family lived between Jerusalem and Cairo. In 1948, the State of Israel was created and hundreds of thousands of Palestinians were displaced. Said's family lost their home in Jerusalem. He was 12. The family settled in Cairo, where he attended British and American schools. At 15, he was sent to boarding school in the United States. He studied at Princeton and then at Harvard, where he earned his PhD in English literature in 1964. He taught at Columbia University in New York for most of his career, from 1963 until his death. His early work was on European literature, especially Joseph Conrad. In 1978 he published Orientalism, the book that changed his life and founded a new field of study. It argued that Western scholarship about the Middle East had created a false and damaging image of the region. He was also a vocal advocate for Palestinian rights. He served for fourteen years on the Palestinian National Council. He wrote about music as a critic and was an accomplished pianist. With the Argentine-Israeli conductor Daniel Barenboim, he co-founded the West-Eastern Divan Orchestra, which brings young Arab and Israeli musicians together. He died of leukaemia on 25 September 2003 in New York, aged 67.

Fela Kuti was a Nigerian musician, bandleader, and political activist. He was born in 1938 in Abeokuta, a city in southwest Nigeria. He died in 1997 in Lagos. He is widely seen as one of the most important African musicians of the twentieth century. Fela came from a famous family. His mother, Funmilayo Ransome-Kuti, was a leading Nigerian feminist and anti-colonial activist. His father was a school principal and a Christian minister. The family was middle class and well educated. As a young man, Fela studied music in London at Trinity College of Music. He returned to Nigeria and toured in the United States in 1969. There he met Black Panther activists, who influenced his political thinking. In the late 1960s and early 1970s, he created a new style of music called Afrobeat. Afrobeat blends West African rhythms, especially Yoruba, with American jazz and funk. The songs are often very long, ten or fifteen minutes or more, with heavy horns and a steady, driving groove. Fela used Afrobeat to attack corruption, military rule, and the lasting effects of colonialism. The Nigerian government repeatedly tried to silence him. He was arrested many times. In 1977 soldiers attacked his home and beat him severely. He kept making music until shortly before his death from AIDS-related illness.

Lynn Margulis (1938-2011) was an American biologist and theorist. She was born Lynn Alexander in Chicago, graduated from the University of Chicago at eighteen, and went on to earn a doctorate from the University of California, Berkeley. She spent most of her academic career at the University of Massachusetts Amherst. In the 1960s, while still in her twenties, she developed her theory of serial endosymbiosis: the argument that the complex cells found in animals, plants, and fungi, called eukaryotic cells, evolved through a process in which smaller bacteria were incorporated into, and eventually became permanent parts of, larger cells. The mitochondria that produce energy in animal cells, and the chloroplasts that perform photosynthesis in plant cells, were originally free-living bacteria that were engulfed by larger cells and eventually became unable to live independently. This theory, which fundamentally changed how biologists understood the evolution of complex life, was rejected fifteen times before it was finally published in 1967. She also co-developed the Gaia hypothesis with the chemist James Lovelock, arguing that the Earth's biological and physical systems interact as a self-regulating whole. She died in 2011 from a stroke.

Kwame Gyekye (1939-2019) was a Ghanaian philosopher. He was born in Kumasi, Ghana, and studied philosophy at the University of Ghana and Harvard University. He taught philosophy at the University of Ghana for most of his career and became one of the most important African philosophers of the twentieth century. He worked on African philosophy, moral philosophy, political philosophy, and the philosophy of culture. His two most important books are An Essay on African Philosophical Thought (1987), which used Akan philosophical concepts to show that African traditional thought is a genuine philosophical tradition, and Tradition and Modernity (1997), which asked how African societies should think about the relationship between their traditional values and the modern world. He is particularly important for his idea of moderate communitarianism: a view of society that values community without removing the rights of individuals.

Seamus Heaney was an Irish poet. He won the Nobel Prize in Literature in 1995. He is widely regarded as one of the greatest English-language poets of the late twentieth century. He was born on 13 April 1939 at a farmhouse called Mossbawn, near Castledawson in County Derry, Northern Ireland. He was the eldest of nine children in a Catholic farming family. The family later moved to nearby Bellaghy. He grew up in a divided society. Northern Ireland was part of the United Kingdom but had a large Catholic minority who often felt unequal. The 'Troubles', a long period of violence between Catholics and Protestants, would later shape his work. As a clever child, he won a scholarship at age 12 to St Columb's College, a Catholic boarding school in Derry. He then studied English at Queen's University Belfast. His younger brother Christopher died at the age of four after being hit by a car. Heaney was 14. He later wrote one of his most loved poems, 'Mid-Term Break', about coming home for the funeral. He published his first major book of poems, Death of a Naturalist, in 1966. It won prizes and made him famous. He continued to write for almost fifty years, producing twelve major collections plus translations. He taught at universities in Belfast, Dublin, Harvard, and Oxford. He married Marie Devlin in 1965; they had three children. He died on 30 August 2013, aged 74. His last words, sent by text to his wife in Latin, were 'Noli timere': do not be afraid.

Wangari Muta Maathai was a Kenyan environmental activist, scientist, and politician. In 2004 she became the first African woman to win the Nobel Peace Prize. She was born on 1 April 1940 in Nyeri, a rural area in central Kenya, into a Kikuyu farming family. As a child she gathered water from springs protected by tree roots. Her grandmother told her that a large fig tree near the family home was sacred and should never be cut down. These early experiences shaped her later love of trees. In 1960 she was selected for the Kennedy Airlift, a programme that brought East African students to study in the United States. She earned a biology degree at Mount St. Scholastica College in Kansas in 1964 and a master's degree at the University of Pittsburgh in 1966. She returned to Kenya, completed a doctorate at the University of Nairobi in 1971, and became the first woman in East or Central Africa to earn a PhD. In 1977 she founded the Green Belt Movement, an organisation that paid rural women to plant trees. The movement grew quickly and eventually planted over 50 million trees. Through it, Maathai connected the protection of the environment to women's economic rights and to democratic politics. The Kenyan government under President Daniel arap Moi opposed her. She was harassed, beaten, and jailed several times. She kept going. After Moi lost power in 2002, she was elected to parliament with 98 percent of the vote and served as Assistant Minister for Environment. The Nobel Peace Prize came in 2004. She died of ovarian cancer on 25 September 2011, aged 71.

Coimbatore Krishnarao Prahalad (1941-2010) was an Indian-American management scholar whose ideas about corporate strategy, core competence, and the business opportunity at the bottom of the pyramid transformed how companies and development thinkers approached both strategy and poverty. He was born in Coimbatore, in Tamil Nadu, the son of a judge and a civil servant. He studied physics at Loyola College, Madras, and worked for four years in an Indian branch of Union Carbide, the American chemical company, before entering the Indian Institute of Management in Ahmedabad. In 1972 he travelled to the United States for doctoral work at Harvard Business School, completing his thesis in 1975. He joined the faculty of the University of Michigan's Ross School of Business in 1977 and remained there for the rest of his career. His 1990 Harvard Business Review article with Gary Hamel, The Core Competence of the Corporation, became one of the most-cited business articles ever written and reshaped strategic thinking through the 1990s. His later work took him in a different direction. His 2002 article and 2004 book The Fortune at the Bottom of the Pyramid argued that the world's poorest four billion people represented not only a moral claim on international attention but also a significant market that could be served profitably if products and business models were designed appropriately. The book reached business schools, development agencies, and corporations. He continued publishing influential work until his death, wrote regularly for Indian newspapers on the country's development, and mentored a generation of scholars and practitioners. He died in San Diego in 2010 at the age of sixty-eight.

Valentin-Yves Mudimbe was a Congolese philosopher, novelist, and linguist. He was one of the most important African thinkers of the late 20th century. He was born in 1941 in Likasi, in what was then the Belgian Congo. His family was Catholic and he was educated in Catholic schools. As a young man, he entered a Benedictine monastery in Rwanda and considered becoming a monk. He left the monastery after a few years but remained interested in religion throughout his life. He studied Romance philology and philosophy, gaining a doctorate from the Catholic University of Louvain in Belgium in 1970. He returned to Congo and taught at universities there. In 1979, he left Congo for the United States, unable to continue working under the Mobutu dictatorship. He taught at Haverford College, then at Duke University, then at Stanford. He wrote in French and English. His academic writing was deep and difficult. He also wrote novels and poetry that many readers found more accessible. His most famous book is The Invention of Africa, published in 1988. It changed how scholars think about African studies. He followed it with The Idea of Africa in 1994 and many other books and essays. He retired from Duke University in 2014. He died on 21 April 2025, aged 83, in North Carolina. His death was widely mourned across the African intellectual community.

Gloria Anzaldúa (1942-2004) was a Chicana cultural theorist, poet, and writer. She was born in the Rio Grande Valley of south Texas into a family of farmworkers, descendants of both the indigenous peoples of the region and the Spanish colonisers, who had been living on the Texas-Mexico border since before Texas became part of the United States. She grew up between English and Spanish, between Mexican and American cultures, between indigenous and Catholic traditions, and between the rural world of agricultural labour and the academic world she eventually entered. She studied at the University of Texas at Pan American, then at the University of Texas at Austin, and later at the University of California, Santa Cruz, where she completed her doctoral work. She is best known for Borderlands/La Frontera: The New Mestiza (1987), a groundbreaking work that mixes prose and poetry, Spanish and English, theory and autobiography to develop her philosophy of borderlands consciousness. She also co-edited This Bridge Called My Back (1981), a landmark anthology of writings by women of colour that helped define the field of women of colour feminism. She died in 2004 from complications of diabetes.

Walter Rodney (1942-1980) was a Guyanese historian, political thinker, and activist. He was born in Georgetown, Guyana, then a British colony in South America, and showed exceptional academic ability from childhood. He studied history at the University of the West Indies in Jamaica and then completed a doctorate at the School of Oriental and African Studies in London. He taught at universities in Tanzania and Jamaica and became one of the most important historians of Africa and the African diaspora of his generation. He is best known for his book How Europe Underdeveloped Africa, published in 1972, which showed systematically how African countries were made poor through centuries of colonial exploitation, not left poor through a lack of development. He was deeply committed to organising alongside working people and poor communities, not only writing about them. He was banned from Jamaica in 1968 for his political activities. He returned to Guyana in 1974 to work for political change there and was assassinated in 1980 at the age of thirty-eight. He died just months before elections that might have changed Guyanese politics.

Bernard Mullu Narokobi was a Papua New Guinean philosopher, jurist, parliamentarian, and poet, best known for developing the concept of 'the Melanesian Way' as a guiding philosophy for newly independent Papua New Guinea. He is one of the most important political thinkers the Pacific has produced. He was born around 1943 in Wautogik village in the Prince Alexander Mountains of what is now East Sepik Province, Papua New Guinea. The exact date is not known; he was born during the Second World War. His people were the Arapesh. His father Anton (also known as Kukum) Narokobi had been taught by Catholic missionaries and worked as a catechist serving Boiken and Dagua villages. His mother was Maria Mokoi. Narokobi was the second eldest of five siblings. His younger brother Camillus is also a lawyer. Narokobi left home in 1960 to attend Kerevat School in New Britain, one of the first government-run schools educating Papua New Guineans at high levels. He went on to study law in Australia and became one of PNG's first generation of indigenous lawyers. He served on the Constitutional Planning Committee that drafted Papua New Guinea's constitution before independence in 1975. With John Momis and others, he drafted the National Goals and Directive Principles and Basic Social Obligations that form the preamble to the constitution. He published Foundations for Nationhood in 1975 and his most famous work, The Melanesian Way, in 1980. He served as a Member of Parliament for Wewak Open from 1987 to 1997, three terms, and held senior positions including Minister for Justice. He was a strong supporter of West Papuan independence. His wife Regina died of breast cancer in 2007. He was serving as Papua New Guinea's High Commissioner to New Zealand at the time of his own death in March 2010. He was about 67.

María Lugones (1944-2020) was an Argentine-American philosopher. She was born in Buenos Aires, Argentina, and moved to the United States as a young woman, where she completed her doctorate in philosophy and spent her career teaching at Binghamton University in New York. She was a feminist philosopher, a Latina scholar, and a community activist who worked extensively with migrant and indigenous communities in the American Southwest. She is best known for two connected contributions to philosophy. The first is her concept of world-travelling: the practice of genuinely entering another person's world to see reality as they see it, which she proposed as the foundation of a loving and just way of relating across difference. The second is her concept of the coloniality of gender: the argument that the gender system as it now exists across most of the world was imposed through colonialism, and that many indigenous and non-Western communities had very different and often more complex and flexible understandings of gender before colonial contact. She died in 2020, widely recognised as one of the most important feminist philosophers of the late twentieth and early twenty-first centuries.

Nora Vagi Brash OBE CMG was a Papua New Guinean playwright, poet, actress, and director, widely regarded as the country's foremost dramatist. She was the first major woman playwright in Papua New Guinean literature and one of the founders of modern PNG theatre. She wrote in a distinctive style that mixed Papua New Guinea's three national languages, Hiri Motu, Tok Pisin, and English, often within a single play, reflecting how Papua New Guineans actually speak in daily life. She was born in Dagoda village, Central Province, Papua New Guinea, into a Motuan family. The exact year of her birth is given variously as 1944 or in the late 1940s. She was educated locally and went on to teach at Kila Kila primary school, where she wrote her first performed play. She later returned to formal education and graduated with a Bachelor of Arts in Literature from the University of Papua New Guinea in 1982. She had begun writing and performing in PNG's theatre scene in the early 1970s. She became a lecturer in puppetry, dance, and drama at the Creative Arts School in Port Moresby. She went on to become Artistic Director of the National Arts School and one of two artistic directors of the Papua New Guinea National Theatre Company. The Theatre Company toured villages across PNG to perform and raise social awareness, and toured internationally including to New Zealand, Nigeria, and England. Her most famous play, Which Way, Big Man? (1976), is widely studied across the Pacific. She wrote her first performed play, The High Cost of Living Differently, in 1975. Other major works include Black Market Buai, Sold Outright, Taurama (for which she received the PNG Independence Medal in 1985), Pick the Bone Dry, and City Spirits. She also wrote substantial poetry. She served as deputy chairperson of the PNG National Cultural Council and on the board of the Institute of PNG Studies. Oxford University Press published her collection Which Way Big Man? and Five Other Plays. She was awarded both an OBE and CMG. She died in April 2024, mourned across the Pacific theatre community.

Steve Biko (1946-1977) was a South African activist and philosopher. He was born in King William's Town in the Eastern Cape, and grew up under the apartheid system, which separated South Africans by race and gave white South Africans almost all political, economic, and social power. He studied medicine at the University of Natal, one of the few universities that allowed Black students at that time, though they were kept in a separate section. There he became politically active and helped found the South African Students Organisation in 1968. He left the white-led liberal student movement because he believed that Black liberation could not be led by white people, even sympathetic ones: Black people had to lead and define their own liberation. He developed the philosophy of Black Consciousness, which argued that before political liberation could succeed, Black South Africans had to overcome the psychological damage of apartheid: the internalised sense of inferiority that the system had deliberately produced. He was banned, arrested, and tortured by the South African security police. He died in police custody in September 1977, aged thirty years old. His death caused international outrage and strengthened opposition to the apartheid regime.

Judith Heumann was an American disability rights activist. She is often called 'the mother of the disability rights movement'. She was born on 18 December 1947 in Philadelphia, Pennsylvania. Her parents, Werner and Ilse Heumann, were German Jewish immigrants. Many of their relatives had been killed in the Holocaust. The family later moved to Brooklyn, New York. When Judy was 18 months old, she got polio. This was during a large outbreak of the disease in the United States. A machine helped her breathe for three months. When she recovered, she could not walk. She used a wheelchair for the rest of her life. At age five, the principal of her local school refused to let her attend. He called her a 'fire hazard'. Her mother fought this. Eventually Judy got an education, partly in special classes and partly in a public high school. She went to Long Island University, where she began organising other disabled students. In her twenties, she applied to become a teacher in New York City. The Board of Education passed her written and oral exams but failed her medical exam because she used a wheelchair. In 1970, she sued them. The judge, Constance Baker Motley (the first Black woman federal judge), made it clear the Board would lose. They settled. Heumann became the first wheelchair user to teach in the state of New York. She taught for three years. She became one of the main leaders of the American disability rights movement. In April 1977, she led a 26-day sit-in at a federal building in San Francisco. The sit-in forced the US government to implement Section 504, the first major US disability civil rights law. She later worked for both the Clinton and Obama administrations. She wrote her memoir Being Heumann in 2020. She died on 4 March 2023 in Washington D.C., aged 75. The Americans with Disabilities Act of 1990 and the UN Convention on the Rights of Persons with Disabilities (2006) both owe much to her work.

Tony Judt was a British-American historian. He was one of the most important historians of postwar Europe and a sharp public intellectual. His massive 2005 book Postwar: A History of Europe Since 1945 is widely considered one of the great works of modern historical writing. He was born in 1948 in London. He died in 2010 in New York, aged 62, from complications of motor neurone disease. He came from a Jewish family with roots in Eastern Europe. His parents were secular socialists. He grew up in north London. He studied history at King's College Cambridge from 1966. He spent time in Israel as a young man, where he worked on a kibbutz and briefly served in the Israeli army during the 1967 Six-Day War. The experience shaped him deeply. He returned home increasingly critical of Israeli policies, while remaining deeply engaged with Jewish history and identity. He earned his PhD in 1972. He taught at Cambridge and Oxford, then moved to the United States in 1987. He became professor of European history at New York University, where he taught for the rest of his career. In 1995 he founded the Remarque Institute at NYU for the study of Europe. He wrote across many fields: French intellectual history, postwar European history, contemporary politics, and questions of social democracy and political memory. He was politically a social democrat. He criticised both the radical left and the contemporary right. Some of his views, especially his strong criticism of Israeli policies and his 2003 essay calling for a binational state in Israel-Palestine, made him controversial. In 2008 he was diagnosed with motor neurone disease, also called ALS. The disease gradually paralysed him while leaving his mind intact. He continued writing through dictation. His final books, written as he was dying, are some of his most powerful. He died in 2010.

Christopher Hitchens was a British-American journalist, essayist, and writer. He was one of the most famous public intellectuals of the late 20th and early 21st centuries. He wrote about politics, literature, religion, and many other subjects. He was known for sharp arguments, beautiful prose, and a willingness to take unpopular positions. He was born in 1949 in Portsmouth, on the south coast of England. He came from a middle-class British military family. His father was a navy officer. His mother was Jewish, though he only learned this as an adult. He studied philosophy, politics, and economics at Oxford from 1967. He was active in left-wing student politics. After university he became a journalist. He wrote for left-wing magazines including the New Statesman. In 1981 he moved to the United States. He wrote a regular column for The Nation, a major American left-wing magazine, for nearly 20 years. He became an American citizen in 2007. He wrote for many other publications including Vanity Fair, The Atlantic, and Slate. He was prolific. He wrote 17 books and thousands of articles. For most of his career, he was on the political left. He was a friend of writers like Salman Rushdie, Martin Amis, and Ian McEwan. After the September 11 attacks in 2001, his politics shifted. He supported the Iraq war in 2003. Many of his old left-wing friends saw this as betrayal. He defended his position fiercely. In 2007 he published God Is Not Great, an aggressive attack on religion. The book made him one of the New Atheists alongside Richard Dawkins, Sam Harris, and Daniel Dennett. He was diagnosed with oesophageal cancer in 2010. He continued writing about his illness with extraordinary honesty. He died in December 2011, aged 62.

Linda Tuhiwai Smith is a Māori scholar from Aotearoa New Zealand. She is one of the most important Indigenous thinkers on research and education in the world today. She was born in 1950 in Whakatāne, a town on the east coast of New Zealand's North Island. Her family belongs to two Māori iwi (tribes): Ngāti Awa on her father's side and Ngāti Porou on her mother's side. Her father, Sir Hirini Moko Mead, is himself a famous Māori scholar and anthropologist. As a teenager, she lived in the United States while her father completed his PhD. It was the late 1960s, a time of huge social change: the civil rights movement, anti-war protests, American Indian activism. These years shaped her political awareness. Back in New Zealand in the 1970s, she joined Ngā Tamatoa, a young Māori activist group that campaigned for te reo Māori (the Māori language) in schools. She became an educator and a scholar. She worked for many years at the University of Waikato, where she held senior leadership roles. She is now a distinguished professor at Te Whare Wānanga o Awanuiārangi, a Māori university. Her 1999 book Decolonizing Methodologies: Research and Indigenous Peoples made her internationally famous. It has been translated into five languages and cited hundreds of thousands of times. In 2023 she won the Rutherford Medal, New Zealand's highest scholarly honour. In 2016 she was appointed to the Waitangi Tribunal, which hears Māori claims against the New Zealand government. She is still active today.

Scott Thornbury is a teacher and writer who works in English language teaching. This field is often called ELT for short. He was born in 1950 in New Zealand. Thornbury has spent over thirty years teaching English and training other teachers. He has worked in many countries, including Egypt, the United Kingdom, and Spain. He still lives in Spain. He earned a master's degree from the University of Reading in England. Today Thornbury is an Associate Professor at The New School, a university in New York. He teaches on an online course that trains English teachers. He is also the editor of a well-known series of handbooks for language teachers. Thornbury is famous for his books. He has written more than a dozen, many of them aimed at helping teachers do their job better. Well-known titles include 'How to Teach Grammar' and 'How to Teach Vocabulary'. His writing is clear, practical, and often funny. He is best known for one big idea. With another teacher, Luke Meddings, he helped create an approach called Dogme ELT. This approach asks teachers to rely less on textbooks and more on real conversation in the classroom. Thornbury also writes a popular blog and speaks at conferences around the world.

Zaha Hadid was an Iraqi-British architect. She was one of the most important architects of the late 20th and early 21st centuries. She was the first woman to win the Pritzker Prize, the highest honour in architecture, in 2004. Her buildings are known for bold curves, dramatic angles, and shapes that look impossible to build. She was born in 1950 in Baghdad, Iraq. She came from a wealthy and progressive Iraqi family. Her father was a politician and businessman. Her mother was an artist. Iraq in the 1950s was modernising rapidly. Zaha grew up surrounded by modern art and modern architecture. She attended a Catholic school in Baghdad and a boarding school in England. She studied mathematics at the American University of Beirut, in Lebanon, before turning to architecture. In 1972 she moved to London to study at the Architectural Association School of Architecture, one of the most experimental architecture schools in the world. She graduated in 1977. She worked briefly with her former teachers Rem Koolhaas and Elia Zenghelis at OMA. In 1980 she founded her own practice, Zaha Hadid Architects, in London. For her first 15 years, almost none of her designs were built. Her drawings won prizes and inspired other architects, but clients found her buildings too radical to commission. Her breakthrough came with the Vitra Fire Station in Germany, completed in 1993. From then on, her practice grew. By her death she had designed buildings on every inhabited continent. She died suddenly in 2016, aged 65, of a heart attack while being treated for bronchitis in Miami. Her practice continues without her. Her partner Patrik Schumacher has led it since her death. Her best-known buildings include the Aquatics Centre at the 2012 London Olympics and the Heydar Aliyev Centre in Baku, Azerbaijan.

Arturo Escobar is an anthropologist. An anthropologist studies human societies, cultures, and ways of life. He was born in 1951 in Manizales, a city in Colombia, in South America. He holds both Colombian and American citizenship, and he writes in both Spanish and English. Escobar spent much of his career as a professor of anthropology in the United States, mainly at the University of North Carolina. He retired from that post in 2018. He is now linked to universities in Colombia, and he divides his time between the two countries. Escobar is best known as a leading voice in 'post-development' thinking. This is a way of looking critically at the whole idea of 'development': the project of making poorer countries more like richer Western ones. His most famous book is 'Encountering Development', from 1995. In it, he argues that 'development' was not a neutral act of help. It was a way of seeing and controlling the poorer parts of the world. Escobar also works closely with social movements in Colombia, especially Afro-Colombian, environmental, and women's groups. He is both a scholar and an activist. His later work explores ideas like the 'pluriverse', and connects his thinking to the environment. He is seen as one of Latin America's leading critical thinkers.

Moisés Naím is a writer, political analyst, and journalist. He was born in 1952 in Tripoli, in Libya, into a Jewish family that later moved to Venezuela. He grew up in Venezuela and is Venezuelan. He trained first as an economist, earning a doctorate at the Massachusetts Institute of Technology in the United States. Naím has had several careers. In Venezuela, he taught at a business school and served in government. He was the country's Minister of Trade and Industry and a director of its central bank. He also worked as an executive director at the World Bank. He then became a journalist and editor. For fourteen years he was editor-in-chief of the magazine 'Foreign Policy', which he turned into a modern, award-winning publication. He is now a widely read newspaper columnist, with columns published across many countries. Naím is best known for his books about power and politics in the modern world. His most famous are 'Illicit', about global crime, 'The End of Power', and 'The Revenge of Power', about modern strongman leaders. It is important to be clear about what kind of thinker Naím is. He is not a university researcher writing for other scholars. He is a public analyst and journalist. He once said he is a columnist before an analyst.

Orhan Pamuk is a Turkish novelist who won the Nobel Prize in Literature in 2006, the first Turkish citizen to receive the prize. He is widely regarded as one of the major living novelists in any language. His books have sold over thirteen million copies and have been translated into more than sixty languages. He was born in Istanbul on 7 June 1952 into a wealthy, Westernised family. His grandfather had made a fortune in railways under the early Republic. His father was an engineer who also had unrealised literary ambitions. Pamuk grew up in the upmarket Nişantaşı neighbourhood of Istanbul, surrounded by books and the lingering melancholy of a fallen Ottoman world. He planned to be a painter through his teens. Family pressure pushed him toward a more practical career, and he enrolled in architecture at Istanbul Technical University. After three years he dropped out and shifted to journalism at the University of Istanbul, graduating in 1977. He had decided he wanted to write novels. He spent the next eight years writing in his parents' apartment, supported by his family. His first novel, Cevdet Bey ve Oğulları (Cevdet Bey and His Sons), was published in 1982 and won several Turkish literary prizes. His international breakthrough came with The Black Book (1990) and especially My Name Is Red (1998), set among Ottoman miniaturist painters in 1591. He won the Nobel Prize in 2006. In 2005 he was prosecuted under Turkey's Article 301 for telling a Swiss newspaper that 'thirty thousand Kurds and a million Armenians were killed in these lands and nobody but me dares talk about it'. The charges were eventually dropped on a technicality, but death threats forced him to live with security and to spend significant time abroad. He has been a professor at Columbia University since 2007 while continuing to live primarily in Istanbul.

Vandana Shiva (born 1952) is an Indian physicist, environmental activist, and philosopher. She was born in Dehradun in the foothills of the Himalayas, into a family with deep connections to forests and farming. She studied physics at university and completed a doctorate in the philosophy of science at the University of Western Ontario in Canada. She then returned to India and made a decision that changed the direction of her life: she left academic science to work with the Chipko movement, a grassroots movement in which Indian village women embraced trees to prevent them being cut down by commercial loggers. This experience convinced her that the most important environmental battles were being fought not in laboratories or conference rooms but in the fields and forests where ordinary people, particularly women, lived and worked. She founded the Research Foundation for Science, Technology and Ecology and later Navdanya, an organisation that works to protect seed diversity and support small farmers. She has received the Alternative Nobel Prize and many other awards and is one of the most recognised voices in global debates about food, farming, and the natural world.

bell hooks (1952–2021) was an American educator, professor, feminist theorist, and cultural critic. She was born Gloria Jean Watkins in Hopkinsville, Kentucky, into a working-class Black family in the American South, and chose her pen name — deliberately written in lowercase — to honour her maternal great-grandmother Bell Blair Hooks and to signal that it was the ideas that mattered, not the person behind them. She taught at several universities including Yale, Oberlin, and City College of New York, and wrote more than thirty books across education, feminism, race, love, and culture. She was one of the most widely read and accessible public intellectuals of her generation, equally at home in academic conferences and community conversations. She died in Berea, Kentucky, in December 2021.

Cornel West is an American philosopher, theologian, and public intellectual. He was born in 1953 in Tulsa, Oklahoma, and grew up in a Black Baptist family in Sacramento, California. His father was a civilian air force administrator. His mother was a teacher and later a school principal. The Black Baptist church shaped him deeply from childhood. He has often said that his thinking grew out of three traditions: the Black church, the Black freedom struggle, and the love of music, especially jazz and the blues. West entered Harvard at sixteen and graduated in three years. He went on to do an MA and PhD in philosophy at Princeton, finishing in 1980. His teachers there included the philosopher Richard Rorty, who shaped his interest in American pragmatism. After Princeton he taught at Union Theological Seminary in New York, then Yale, then Princeton, then Harvard, then Princeton again, then Harvard again, and is now back at Union Theological Seminary as the Dietrich Bonhoeffer Chair. He has written more than twenty books. The best known is Race Matters (1993), a bestseller about race, democracy, and inequality in America. Democracy Matters (2004) followed. He has been a constant public presence on television, radio, and stages around the world, mixing philosophy with political activism. He has been arrested in protests for civil rights and against war. In 2024 he ran for president of the United States as an independent candidate. He continues to teach, write, and speak today.

Robin Wall Kimmerer (born 1953) is an American botanist, ecologist, and writer who is a citizen of the Potawatomi Nation, one of the Indigenous peoples of the Great Lakes region of North America. She grew up in the Adirondack Mountains of New York State and has described how questions about plants and the natural world led her to science and to her own Indigenous heritage in equal measure. She studied botany and ecology, earned a doctoral degree, and became a professor of environmental biology at the State University of New York. She founded the Center for Native Peoples and the Environment, which works to bring together Indigenous knowledge and Western science in the service of ecological restoration. She is best known for her book Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge, and the Teachings of Plants (2013), which has become one of the most widely read books about the natural world in recent years. In it she weaves together scientific ecology and Potawatomi traditional knowledge to argue for a fundamentally different relationship between human beings and the living world.

Jeffrey Sachs is an American economist. He was born in 1954 in Detroit, in the United States. He studied economics at Harvard University, where he was a brilliant student. He became a full professor at Harvard while still very young. Sachs is known for working in the real world, not only in the university. From early in his career, he advised governments. In the late 1980s and 1990s, he gave advice to countries trying to change from communist or crisis-hit economies to market economies. These included Bolivia, Poland, and Russia. This advice was bold, fast, and very controversial. Later, Sachs turned his focus to global poverty. He moved to Columbia University in New York. He became a leading voice arguing that extreme poverty could be ended, and soon. He advised the United Nations and helped shape major global anti-poverty goals. He also led a large project called the Millennium Villages. It tried to lift specific African villages out of poverty, using many kinds of help at once. Sachs has written bestselling books, including 'The End of Poverty'. He is a famous, energetic, and divisive figure. Some see him as a tireless campaigner against poverty. Others sharply criticise his methods and results.

Indra Krishnamurthy Nooyi (born 1955) is an Indian-American businesswoman and former chief executive of PepsiCo, one of the world's largest food and beverage companies. She was born in Madras (now Chennai) to a Tamil Brahmin family and grew up in a middle-class household where education was valued intensely. Her mother regularly asked her daughters at dinner to explain what they would do as president or prime minister, a practice Nooyi later credited with shaping her ambition. She studied physics, chemistry, and mathematics at Madras Christian College, earned an MBA from the Indian Institute of Management in Calcutta, and won a scholarship to Yale School of Management, where she completed a second master's degree in 1980. She worked at the Boston Consulting Group, Motorola, and Asea Brown Boveri before joining PepsiCo in 1994. She rose through corporate strategy and finance roles, led the spin-off of PepsiCo's restaurant businesses (Pizza Hut, KFC, Taco Bell) into Yum Brands, and led the acquisition of Tropicana and Quaker Oats. She became chief financial officer in 2001, president and CFO in 2006, and chief executive officer and chairman in 2006 — the first woman of colour to lead a Fortune 50 company. During her twelve years as CEO, PepsiCo's revenue grew from forty-four to sixty-four billion dollars. She led a strategic reorientation she called Performance with Purpose, shifting the company's portfolio toward healthier products while maintaining profitability. She retired as CEO in 2018 and as chairman in 2019. She has since served on the boards of Amazon, the International Cricket Council, and the World Economic Forum, co-led a New York State commission on reopening during the Covid pandemic, and published her 2021 memoir My Life in Full. She lives in Connecticut with her husband, Raj, and their two daughters.

Mia Couto is a Mozambican novelist, poet, and biologist, the most internationally recognised living Mozambican writer. He was born António Emílio Leite Couto in 1955 in Beira, the second-largest city in what was then Portuguese-ruled Mozambique. His parents were Portuguese settlers; his father was a poet and journalist. The family was unusual among white settlers in their sympathy for the Mozambican African majority. The boy who became Mia took his nickname as a child, asking his family to call him 'Mia' because he so loved cats. He was 19 when Mozambique gained independence in 1975. He had begun studying medicine at the University of Lourenço Marques, but abandoned medicine after independence to work as a journalist for the new revolutionary state. He served as director of the Mozambican Information Agency, the daily Notícias, and the magazine Tempo during the early years of independence and the brutal civil war (1977-1992). He returned to university in his thirties and earned a degree in biology. He continues to work as an environmental consultant and ecologist alongside his literary career. His first book, a poetry collection, appeared in 1983. His first novel, Terra Sonâmbula (Sleepwalking Land), appeared in 1992 and was later named one of the twelve best African novels of the twentieth century. He has since written more than thirty books in many genres. He won the Camões Prize, the highest honour in Portuguese-language literature, in 2013, and the Neustadt International Prize for Literature, sometimes called the 'American Nobel', in 2014. He was a finalist for the Man Booker International Prize in 2015. His books have been translated into more than thirty languages. He still lives in Maputo.

Judith Butler is an American philosopher and gender theorist. They are one of the most influential thinkers in the humanities in recent decades. They were born on 24 February 1956 in Cleveland, Ohio, into a Jewish family of Hungarian and Russian descent. Their parents were active in the synagogue. Several of their mother's relatives had been killed in the Holocaust. This family history of persecution shaped Butler's later concerns with violence, grief, and vulnerable lives. As a teenager, Butler started studying philosophy in a special class at their synagogue. This was in part a punishment for disruptive behaviour. The class, taught by a rabbi, introduced them to Jewish ethics and philosophical questions. They later studied philosophy at Bennington College and Yale, where they completed a PhD in 1984 on Hegel's influence on 20th-century French thought. They have taught at several universities, including Johns Hopkins, and since 1993 at the University of California, Berkeley. Their 1990 book Gender Trouble changed how scholars think about gender. It made Butler famous and controversial. They have since written many books, including Bodies That Matter (1993), Precarious Life (2004), Frames of War (2009), and Who's Afraid of Gender? (2024). Butler is also known for their public writing on politics, including on Israel and Palestine, the war on terror, and recent global movements against queer and trans people. They identify as non-binary and use they/them pronouns. They are still active, writing and teaching in 2026.

Harriet McBryde Johnson was an American lawyer, writer, and disability rights activist. She was one of the sharpest writers on disability in English. She was born on 8 July 1957 in Laurinburg, North Carolina. Both her parents were college teachers. She was one of five children. A sister also had the same progressive neuromuscular disease that Harriet herself lived with. The disease affected her muscles throughout her life. From an early age, she used a motorised wheelchair. She needed help with many daily tasks. She was an activist from her teens. As a young student, she tried to get an abusive teacher fired. She later described this as the start of her 'hell-raising'. She studied history at Charleston Southern University, earned a master's degree in public administration, and then a law degree from the University of South Carolina in 1985. She lived most of her life in Charleston, South Carolina. As a lawyer, she specialised in helping poor disabled clients claim Social Security benefits. This was quiet, unglamorous work. It kept her close to the realities of disabled lives most people ignored. She was also active in politics, serving as chair of the Charleston County Democratic Party. She described herself, with her usual humour, as 'a disabled, liberal, atheistic Democrat' and as 'a bedpan crip'. She became nationally famous in 2003 when The New York Times Magazine published her essay 'Unspeakable Conversations'. It described her debate the year before with the Princeton philosopher Peter Singer, who argues that parents should be allowed to kill severely disabled babies. The essay was sharp, funny, and serious. It made her one of the most important voices in American disability thought. She later wrote a memoir, Too Late to Die Young (2005), and a novel for young adults, Accidents of Nature (2006). She died on 4 June 2008, aged 50.

Kimberlé Williams Crenshaw is an American legal scholar and civil rights lawyer. She is one of the most influential thinkers on race, gender, and the law in the past fifty years. She was born on 5 May 1959 in Canton, Ohio. Her parents were both educated and active in local politics. This family background shaped her strong interest in civil rights from an early age. She studied at Cornell University, where she earned a degree in government and Africana studies in 1981. She then went to Harvard Law School, graduating in 1984. At Harvard she and other students pushed the school to hire more professors of colour and to offer more classes on race and law. She then earned a Master of Laws at the University of Wisconsin in 1985 and worked for a Wisconsin Supreme Court judge. In 1986, at age 27, she joined the faculty of the UCLA School of Law. She has taught there ever since. Since 1995, she has also held a position at Columbia Law School in New York. She now splits her time between the two coasts. In a 1989 article, she introduced the word 'intersectionality'. This simple word has spread across universities, courtrooms, and activist movements around the world. She is also one of the founders of critical race theory, a field that studies how law and race shape each other. In 1996 she co-founded the African American Policy Forum. In 2014 she launched the #SayHerName campaign. She is still active today as a scholar, teacher, podcaster, and public speaker.

Paul Farmer (1959-2022) was an American physician, anthropologist, and global health activist. He was born in North Adams, Massachusetts, and grew up in modest and at times difficult circumstances, living for a period on a bus and then on a boat in Florida with his large family. He studied anthropology and medicine at Harvard University. In 1983, while still a student, he began working in Haiti, the poorest country in the Western Hemisphere, and never stopped. He co-founded Partners in Health in 1987, an organisation that has built health systems in Haiti, Rwanda, Lesotho, Liberia, Mexico, Peru, Kazakhstan, Sierra Leone, and elsewhere, demonstrating that high-quality healthcare could be delivered to the poorest communities on earth. He was a professor at Harvard Medical School, spent much of his time in Haiti, and travelled constantly between his field work, his Harvard obligations, and advocacy in international health policy. He died in his sleep in Rwanda in 2022 at the age of sixty-two, after a lifetime of working eighteen-hour days while sleeping in basic conditions and eating simply to remain as close as possible to the people he served.

Rigoberta Menchú Tum (born 1959) is an indigenous Maya K'iche' woman from Guatemala and one of the most important human rights activists of the twentieth and twenty-first centuries. She was born in the village of Chimel in the northwestern highlands of Guatemala, the sixth of nine children of a poor farming family. Her father, Vicente Menchú, was a community organiser who had been involved in land rights struggles against wealthy landowners. Her family and community were caught up in the brutal counterinsurgency campaign conducted by the Guatemalan military against indigenous and rural communities in the late 1970s and early 1980s, part of a civil war that lasted thirty-six years and resulted in the killing of over two hundred thousand people, the vast majority indigenous Maya. Her brother Petrocinio was tortured and killed by the military in 1979. Her father was killed in the burning of the Spanish embassy in Guatemala City in 1980, an event orchestrated by the military. Her mother was kidnapped, tortured, and killed in 1980. Menchú herself went into exile in Mexico, where she dictated her testimony to the Venezuelan anthropologist Elisabeth Burgos-Debray, which was published as I, Rigoberta Menchú in 1983. She has been a continuous advocate for indigenous rights and human rights. She received the Nobel Peace Prize in 1992, the five hundredth anniversary of Columbus's arrival in the Americas.

Ha-Joon Chang is a South Korean economist. He was born in 1963 in Seoul, South Korea. He grew up during a remarkable period in his country's history. When Chang was a child, South Korea was poor. Within his lifetime it became a wealthy, industrial nation. Watching this happen shaped the central question of his career: how do poor countries actually become rich? Chang studied economics at Seoul National University, then moved to Britain to study at the University of Cambridge, where he earned his doctorate. He taught economics at Cambridge for over thirty years. In 2022 he moved to SOAS University of London, where he is a research professor. Chang is unusual among economists for how widely he is read. He writes bestselling books aimed at ordinary people, not just specialists. These include 'Kicking Away the Ladder' (2002), 'Bad Samaritans' (2007), '23 Things They Don't Tell You About Capitalism' (2010), and 'Economics: The User's Guide' (2014). His more recent book 'Edible Economics' (2022) explains economic ideas through food. He has also advised governments and international organisations, including United Nations agencies and the World Bank. He is known as a 'heterodox' economist, meaning he works outside the mainstream, and he argues strongly that economics should be open to many different schools of thought.

Mariana Mazzucato is an economist. She was born in Rome, Italy, in 1968. Her father was a physicist, and when she was a child the family moved to the United States, where her father worked at Princeton University. She grew up mostly in the United States and later returned to Europe. She holds both Italian and American citizenship. Mazzucato studied history and international relations as an undergraduate, then moved into economics for her doctorate. Today she is a professor at University College London, in Britain, where she founded a research centre called the Institute for Innovation and Public Purpose. She became widely known in 2013 with her book 'The Entrepreneurial State'. It argued that governments, not just private companies, are major drivers of new technology. Later books include 'The Value of Everything' (2018), 'Mission Economy' (2021), and 'The Big Con' (2023). Mazzucato is unusual among economists for her direct influence on real policy. She has advised governments and international bodies around the world, including in Britain, Italy, South Africa, and the European Union, and she works with the United Nations and other organisations. She is also a strong communicator who reaches a wide public. As a living, working economist, her ideas are still developing and are actively debated.

Dambisa Moyo is an economist and writer. She was born in 1969 in Lusaka, the capital of Zambia, in southern Africa. She spent part of her childhood in the United States, where her father was studying, and then returned to Zambia. Moyo first studied chemistry. Later she turned to economics and finance. She earned a master's degree at Harvard University and a doctorate in economics at the University of Oxford. She worked at the World Bank in Washington. Then she spent several years at the bank Goldman Sachs, where she was an economist and strategist. Moyo became famous in 2009 with her first book, 'Dead Aid'. It argued that government-to-government foreign aid has harmed Africa. The book was a bestseller, and it was both praised and strongly attacked. Since then she has written more bestselling books about the global economy, about China and resources, and about why economic growth has slowed. Moyo is now a well-known public economist. She advises companies and sits on the boards of several large global firms. She is also an investor. In 2022 she was made a member of the United Kingdom's House of Lords, and she holds the title of Baroness. She is one of the most prominent African economists in the world.

Timothy Snyder is an American historian. He is one of the most influential contemporary historians of Eastern Europe and 20th-century atrocity. He has also become a major public voice warning about threats to democracy in the United States and elsewhere. He was born in 1969 in Centerville, Ohio, in the American Midwest. He has spent most of his career as a professor at Yale University. He came from a non-academic family. His father was a veterinarian. He showed academic talent young. He studied history at Brown University, then at Oxford, where he earned his doctorate in 1997. His doctoral work was on Eastern European nationalism. He learned Polish, Ukrainian, German, French, Russian, Czech, Belarusian, and other languages over time. The linguistic range gave him access to sources most American historians cannot read directly. He joined the Yale faculty in 2001. His early academic books were specialised studies of Eastern European political history. They included The Reconstruction of Nations (2003) on Polish, Ukrainian, Belarusian, and Lithuanian national identities, and Sketches from a Secret War (2005) on a Polish-Soviet conflict. In 2010 he published Bloodlands: Europe Between Hitler and Stalin. The book became a major international bestseller. It tells the story of the killings carried out by Nazi Germany and Soviet Russia between 1933 and 1945 in the lands between Berlin and Moscow. About 14 million civilians were killed in this region by the two regimes. The book brought together histories that had usually been told separately. Since 2017, Snyder has become a leading public voice warning about threats to democracy. His 2017 short book On Tyranny became a global bestseller. He has spoken extensively about Russian aggression in Ukraine and about authoritarian movements in the United States and elsewhere. He continues teaching at Yale.

Han Kang is a South Korean writer. In 2024 she became the first Asian woman, and the first Korean writer of any gender, to win the Nobel Prize in Literature. She was born on 27 November 1970 in the city of Gwangju in southern South Korea. According to her father, she is named after the Han River that flows through Seoul. Her family was full of writers. Her father, Han Seung-won, is a well-known novelist. Her two brothers also became novelists. Books filled their childhood home. Money, however, did not. Her father chose writing over a more secure career. When Han Kang was nine, the family moved from Gwangju to Seoul. Just four months later, in May 1980, the South Korean military launched a brutal crackdown on pro-democracy protesters in Gwangju. Hundreds, possibly up to two thousand, civilians were killed. Han did not witness the massacre, but a photograph her father showed her years later marked her deeply. The events of Gwangju have shaped much of her later writing. She has spoken of carrying a kind of survivor's guilt. She studied Korean literature at Yonsei University in Seoul. She began publishing poetry in 1993 and her first novel in 1995. From 2007 to 2018 she taught creative writing at the Seoul Institute of the Arts. Her novel The Vegetarian (2007), translated into English by Deborah Smith in 2015, won the International Booker Prize in 2016 and made her internationally famous. The Nobel followed in 2024. She still lives in Seoul.

Naomi Klein is a Canadian writer, journalist, and activist. She was born in 1970 in Montreal, Canada. Her family was Jewish and politically active. Her parents had moved to Canada from the United States, partly to protest against the Vietnam War. Klein is not an economist or an academic in the usual sense. She is a journalist and a writer of powerful, argumentative books about politics and the economy. Her work is a kind of campaigning journalism. She investigates, gathers evidence, and then makes a strong, clear argument meant to change how readers think. Klein became famous in 1999 with her first book, 'No Logo'. It studied the power of global brands and big corporations. Her later books include 'The Shock Doctrine' (2007), about crisis and free-market policy, and 'This Changes Everything' (2014), about climate change and capitalism. Klein is also an activist. She has taken part in protest movements and campaigns, especially around climate justice. She now teaches at university and helps lead a centre focused on climate justice. Klein is an influential and divisive figure. Many admire her as a fearless critic of corporate power. Others argue her books simplify complicated issues. Both views are part of an honest picture.

Leanne Betasamosake Simpson is a Mississauga Nishnaabeg writer, scholar, musician, and activist. She is one of the most important contemporary indigenous thinkers in North America. She works on what is sometimes called indigenous resurgence: the recovery and renewal of indigenous languages, knowledge, and political life. She was born in 1971 in Canada. She belongs to Alderville First Nation, a Mississauga Nishnaabeg community in southern Ontario. The Mississauga Nishnaabeg are part of the larger Anishinaabe (also spelled Nishnaabeg) family of nations. The Anishinaabe are one of the largest indigenous peoples in North America. Their territory traditionally covered much of what is now the Great Lakes region of Canada and the United States. They have lived there for thousands of years. Simpson grew up between worlds. She is part of an Anishinaabe community. She also lived in non-indigenous Canadian society. She studied biology and resource management at university, earning her PhD in 1999. She was trained in Western academic methods. She was also learning her own people's language, ceremonies, and intellectual traditions. The combination shaped her work. She brings academic rigour to indigenous knowledge while also pushing back against academic frameworks that distort what they study. She has written or edited around a dozen books. She has produced several music albums. She co-founded the Dechinta Centre for Research and Learning in the Northwest Territories, an indigenous educational institution. She was a major voice during the Idle No More movement that began in 2012, a wave of indigenous political action across Canada. She is now in her fifties and remains one of the most active indigenous thinkers and artists in North America.

Thomas Piketty is a French economist. He was born in 1971 near Paris. He studied mathematics and economics, and earned his doctorate at just 22 years old. For a few years he taught in the United States, but he chose to return to France, partly because he felt American economics relied too heavily on abstract mathematics and too little on history and real data. Back in France, Piketty helped build the Paris School of Economics and became one of its leading professors. He also helped create the World Inequality Lab, a research centre that gathers data on income and wealth from around the world. Piketty became world-famous in 2013 and 2014 with a long book called 'Capital in the Twenty-First Century'. It was an unexpected bestseller, unusual for a serious economics book, and it made inequality one of the biggest topics in public debate. Since then he has written more large books, including 'Capital and Ideology' (2019) and 'A Brief History of Equality' (2022). He continues to teach and research in Paris and is known for arguing, in newspapers and public talks, for strong policies against inequality. He is a working economist whose ideas and proposals are actively debated, admired by some and strongly criticised by others.

Esther Duflo is a French-American economist. In 2019 she became, at age 46, the youngest person ever to win the Nobel Memorial Prize in Economic Sciences. She was also only the second woman ever to win it. She was born on 25 October 1972 in Paris, France. Her mother was a paediatrician who travelled to countries like Rwanda and Haiti as a doctor for child victims of war and poverty. Her father was a professor of mathematics. Her mother often returned with stories of suffering children. These stories shaped Esther deeply. She was a strong student. She studied history and economics at the École Normale Supérieure in Paris. She spent a year teaching in Moscow, where she also studied Russia's economic reforms. After a master's degree in Paris, she went to the Massachusetts Institute of Technology (MIT) in the United States for her doctorate in economics. She earned her PhD in 1999. MIT hired her at once. In 2003, with her colleagues Abhijit Banerjee and Sendhil Mullainathan, she co-founded the Abdul Latif Jameel Poverty Action Lab, known as J-PAL. The lab's mission was to use scientific experiments to test which anti-poverty programs actually work. J-PAL has grown into a global research network. By 2020, more than 400 million people had been affected by programs the lab has tested. She married Abhijit Banerjee in 2015. They share two children. They also shared the 2019 Nobel Prize. She is now President of the Paris School of Economics in addition to her MIT professorship. She is one of the most influential economists in the world.

Narges Mohammadi (born 1972) is an Iranian physicist, journalist, and human rights activist. She is one of Iran's most prominent advocates for the abolition of the death penalty and for women's rights. She has been arrested multiple times by the Iranian government, sentenced to decades in prison, and has spent much of her adult life behind bars for her peaceful activism. In 2023 she was awarded the Nobel Peace Prize while serving her current prison sentence — making her one of the very few Nobel laureates to receive the prize while imprisoned. Her husband and two children live in exile in France.

Alice Wong was an American disability activist, writer, and editor. She founded the Disability Visibility Project, which gathered and amplified the stories of disabled people across the United States. She was born on 27 March 1974 in Indianapolis, Indiana. Her parents had immigrated from Hong Kong. Alice was their eldest daughter. She had a genetic neuromuscular condition from childhood. Over her life, her muscles grew weaker. She used a powered wheelchair and, in her later years, a device to help her breathe. She described herself sometimes as a 'cyborg', reclaiming the machines that kept her alive as part of her identity rather than a sad necessity. She studied English and sociology at Indiana University and later earned a master's in medical sociology from the University of California, San Francisco. She lived in San Francisco for most of her adult life. She worked at UCSF as a research associate for over ten years, studying health care for disabled people. In 2013, President Obama appointed her to the National Council on Disability, a federal body that advises the US government. In 2015, she took part in a White House ceremony for the 25th anniversary of the Americans with Disabilities Act. She attended through a telepresence robot, one of the first public figures to do so. Obama waved at her robot on camera. In 2014 she founded the Disability Visibility Project with StoryCorps, a non-profit oral history group. Over the following decade she built a huge body of work: anthologies of disabled writers, podcasts, campaigns, and a memoir called Year of the Tiger (2022). In 2024, the MacArthur Foundation named her one of their fellows, an award often called a 'genius grant'. She died in a San Francisco hospital from an infection on 14 November 2025, aged 51.

Maryam Mirzakhani was an Iranian mathematician. She was the first woman ever to win the Fields Medal, the highest prize in mathematics. She was born in 1977 in Tehran, the capital of Iran. She grew up during the Iran-Iraq war of the 1980s, a difficult time for the country. Her parents encouraged her education despite the surrounding chaos. She was not interested in mathematics as a young child. She wanted to be a writer. She read novels constantly and dreamed of becoming a novelist. Her interest in maths grew slowly through middle school. By high school she was attending a special school for gifted girls in Tehran. She and her best friend Roya Beheshti became famous for being the first Iranian girls to win medals at the International Mathematical Olympiad. Mirzakhani won gold medals in 1994 and 1995, with a perfect score the second year. She studied mathematics at Sharif University in Tehran. In 1999 she went to the United States for graduate school at Harvard. She was supervised by Curtis McMullen, a Fields Medallist himself. Her doctoral work was already remarkable. She found new ways to count certain kinds of curves on curved surfaces. She continued at Princeton and then at Stanford as a professor. In 2014, aged 37, she became the first woman to win the Fields Medal. The medal is awarded only every four years and only to mathematicians under 40. The same year she was diagnosed with breast cancer. The cancer eventually spread to her bones and liver. She died in 2017, aged just 40. She left behind her husband and her young daughter Anahita.

Timnit Gebru is an Ethiopian-American computer scientist. She is one of the most important researchers in the field of AI ethics. Her work has shown how artificial intelligence systems can encode and amplify racial bias, gender bias, and other forms of harm. She was born in 1982 or 1983 in Addis Ababa, Ethiopia. She came to the United States as a teenage refugee. Her family fled Ethiopia after political violence affected her brothers. She arrived in the US in 2001 and faced typical refugee challenges. She did her undergraduate work at Stanford University in electrical engineering. She earned a PhD at the Stanford AI Lab in 2017, studying under the leading computer vision researcher Fei-Fei Li. Her doctoral work used Google Street View images to predict demographic and political patterns from cars in different neighbourhoods. The research drew attention. After her PhD, she did postdoctoral work at Microsoft Research, then joined Google in 2018. She co-led Google's Ethical AI team alongside Margaret Mitchell. In 2020, Gebru and her colleagues drafted a research paper about the risks of large language models, then a new technology. The paper, often called the Stochastic Parrots paper, argued that very large AI language systems carried serious risks. Google ordered her to retract the paper or remove her name. She refused. Google fired her, though Google described the departure differently. The firing caused a major public controversy. Many researchers signed petitions in her support. Several Google researchers later resigned in protest. In 2021 she founded the Distributed AI Research Institute (DAIR), an independent research lab focused on AI ethics. She has continued speaking publicly about harms in AI systems. She has become one of the most visible critics of how the technology industry develops AI.

Nadia Murad (born 1993) is a Yazidi human rights activist from the Sinjar region of northern Iraq. In 2014, when she was twenty-one years old, the Islamic State (ISIS) attacked her village, killed her mother and six brothers, and took her and thousands of other Yazidi women captive as slaves. She was held for three months, repeatedly abused, and eventually escaped. Rather than staying silent, she chose to speak publicly about what had happened to her and to her community. In 2018 she was awarded the Nobel Peace Prize, becoming one of the youngest people ever to receive it. She is the UN's first Goodwill Ambassador for the Dignity of Survivors of Human Trafficking.

Malala Yousafzai is a Pakistani education activist. She is the youngest person ever to win the Nobel Peace Prize. She was born on 12 July 1997 in Mingora, a city in the Swat Valley of northwestern Pakistan. Her family is Sunni Muslim and Pashtun. Her father, Ziauddin Yousafzai, is a poet and teacher who ran a chain of private schools. He believed his daughter should have the same education as his sons. He named her after Malalai of Maiwand, a Pashtun folk heroine who fought against the British Army in 1880. Malala's childhood was peaceful until 2007. In that year, a group called the Pakistani Taliban took control of the Swat Valley. They banned girls from going to school, destroyed over 100 schools, and killed people who disagreed with them. Malala was 10. Her father kept his schools open in secret. In 2009, aged 11, she began writing an anonymous diary for the BBC under the name 'Gul Makai'. She described daily life under Taliban rule: the fear, the empty classrooms, the limits on women going outside. Her diary was read around the world. After the Pakistani army pushed the Taliban out of Swat, Malala continued speaking publicly for girls' education. She became famous in Pakistan. On 9 October 2012, when she was 15, Taliban gunmen stopped her school bus. A man climbed on, asked for her by name, and shot her in the head. She was flown to Birmingham in the United Kingdom for emergency treatment. She nearly died. Her recovery took months. She stayed in the UK with her family. In 2013, she co-wrote a bestselling memoir, I Am Malala. In 2014, at age 17, she won the Nobel Peace Prize jointly with the Indian activist Kailash Satyarthi. She studied Philosophy, Politics and Economics at Oxford University from 2017 to 2020. She founded the Malala Fund to support girls' education worldwide. In 2021, she married Asser Malik. She continues to work and write in 2026.