Great Thinkers

Meet the great minds whose ideas have shaped the world — philosophers, scientists, artists, leaders, and revolutionaries whose thinking still matters today.

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Mathematics
Al-Khwārizmī
c. 780-c. 850 · Persia / Abbasid Caliphate (active in Baghdad)
Muḥammad ibn Mūsā al-Khwārizmī was a Persian scholar born around 780, probably in Khwarezm, a region in what is now Uzbekistan. His family name, al-Khwārizmī,…
Scientific thinking Problem solving Critical thinking Research skills +1
"That fondness for science, by which God has distinguished the Imām al-Ma'mūn... has encouraged me to compose a short work…"
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Mathematics
Archimedes
c. 287 BCE - c. 212 BCE · Syracuse, Sicily (Hellenistic Greek world)
Archimedes was a Greek mathematician, scientist, and engineer. He was born around 287 BCE in Syracuse, a Greek city on the island of Sicily. We…
Scientific thinking Problem solving Critical thinking Creative expression +1
"Eureka! I have found it!"
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Philosophy
Aristotle
384-322 BCE · Ancient Greece (Stagira, Macedonia)
Aristotle was an ancient Greek philosopher. He is one of the most important thinkers in the history of Western philosophy and science. He was born…
Critical thinking Ethical thinking Problem solving Research skills +1
"All human beings by nature desire to know."
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Business & Management
Chester Barnard
1886-1961 · United States
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…
Critical thinking Ethical thinking Problem solving Research skills +1
"An organization is a system of consciously coordinated activities or forces of two or more persons."
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Mathematics
Claude Shannon
1916 - 2001 · United States
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…
Scientific thinking Problem solving Creative expression Research skills +1
"Information is the resolution of uncertainty."
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Chemistry
Dorothy Hodgkin
1910-1994 · United Kingdom
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…
Scientific thinking Problem solving Research skills Ethical thinking +1
"I was captured for life by chemistry and by crystals."
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Mathematics
Emmy Noether
1882-1935 · Germany (later United States)
Emmy Noether was a German mathematician who changed how we understand algebra and physics. She was born in 1882 in Erlangen, Germany. Her father was…
Scientific thinking Critical thinking Problem solving Creative expression +1
"My methods are really methods of working and thinking; this is why they have crept in everywhere anonymously."
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Economics
Esther Duflo
1972-present · France / United States
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…
Scientific thinking Ethical thinking Research skills Problem solving +1
"It is not the magnitude of the problem that determines whether we can do something about it."
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Mathematics
Euclid
c. 325 BCE - c. 265 BCE · Alexandria, Egypt (Hellenistic Greek world)
Euclid was a Greek mathematician who lived in Alexandria, in Egypt, around 300 BCE. He is sometimes called the 'father of geometry'. We know almost…
Scientific thinking Critical thinking Problem solving Research skills +1
"There is no royal road to geometry."
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Medicine & Health
Françoise Barré-Sinoussi
1947-present · France
Françoise Barré-Sinoussi is a French virologist. She is one of the two scientists who discovered the Human Immunodeficiency Virus (HIV), the cause of AIDS. She…
Scientific thinking Research skills Critical thinking Ethical thinking +1
"We are not making science for science. We are making science for the benefit of humanity."
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Technology & Engineering
Frederick Winslow Taylor
1856-1915 · United States
Frederick Winslow Taylor (1856-1915) was an American mechanical engineer whose systematic approach to industrial work created the school of thought known as scientific management and…
Scientific thinking Critical thinking Research skills Ethical thinking +1
"In the past the man has been first; in the future the system must be first."
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Law
Hugo Grotius
1583-1645 · Dutch Republic (Netherlands)
Hugo Grotius was a Dutch jurist, philosopher, and diplomat. He is often called the father of international law. He was born on 10 April 1583…
Critical thinking Ethical thinking Research skills Problem solving +1
"I observed in the whole Christian world a license of fighting at which even barbarous nations might blush."
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Arts
Imhotep
c. 2650 BCE - c. 2600 BCE · Ancient Egypt (probably Memphis area)
Imhotep was an ancient Egyptian architect, doctor, and high official. He lived around 2,650 BCE, more than 4,500 years ago. This makes him one of…
Scientific thinking Creative expression Problem solving Cultural heritage and identity +1
"Imhotep, son of Ptah, the great chief of artists."
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Philosophy
Immanuel Kant
1724-1804 · Prussia (Germany)
Immanuel Kant was a German philosopher. He is one of the most influential thinkers in the history of Western philosophy. He was born on 22…
Critical thinking Ethical thinking Problem solving Research skills +1
"Enlightenment is man's emergence from his self-imposed immaturity."
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Mathematics
Isaac Newton
1643-1727 · England, United Kingdom
Isaac Newton (1643-1727) was an English mathematician, physicist, and natural philosopher. He was born prematurely in Woolsthorpe, Lincolnshire, and his father died before he was…
Scientific thinking Research skills Numeracy and mathematical thinking Critical thinking +1
"If I have seen further, it is by standing on the shoulders of giants."
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Philosophy
Jeremy Bentham
1748-1832 · England
Jeremy Bentham was an English philosopher and legal reformer. He was the founder of modern utilitarianism. He was born on 15 February 1748 in London,…
Critical thinking Ethical thinking Problem solving Research skills +1
"It is the greatest happiness of the greatest number that is the measure of right and wrong."
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Economics
Joan Robinson
1903 - 1983 · United Kingdom
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…
Critical thinking Scientific thinking Research skills Ethical thinking +1
"The misery of being exploited by capitalists is nothing compared to the misery of not being exploited at all."
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Mathematics
Katherine Johnson
1918 - 2020 · United States (African American)
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…
Scientific thinking Problem solving Critical thinking Ethical thinking +1
"We will always have STEM with us. Some things will drop out of the public eye and will go away,…"
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Religion
Khadija bint Khuwaylid
c. 555-619 · Arabia (Mecca)
Khadija bint Khuwaylid was a successful Arabian merchant in 6th- and 7th-century Mecca. She is honoured in Islamic tradition as the first Muslim and as…
Ethical thinking Cultural heritage and identity Problem solving Emotional intelligence +1
"By God, God will never humiliate you. You maintain family ties, you help to carry the burdens of the weak,…"
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Mathematics
Kurt Gödel
1906 - 1978 · Austria (later United States)
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…
Scientific thinking Critical thinking Problem solving Research skills +1
"Either mathematics is too big for the human mind, or the human mind is more than a machine."
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Arts
Leonardo da Vinci
1452 - 1519 · Florence and Milan, Italy
Leonardo da Vinci was an Italian artist, scientist, and inventor. He was born in 1452 in the small town of Vinci, near Florence, in what…
Creative expression Scientific thinking Problem solving Research skills +1
"Learning never exhausts the mind."
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Psychology
Lev Vygotsky
1896-1934 · Russia / Soviet Union
Lev Semyonovich Vygotsky (1896-1934) was a Russian psychologist whose ideas about how children learn and develop have become central to education and developmental psychology worldwide.…
Scientific thinking Research skills Critical thinking Ethical thinking +1
"What a child can do with assistance today she will be able to do by herself tomorrow."
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Politics
Mao Zedong
1893-1976 · China
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…
Critical thinking Ethical thinking Cultural heritage and identity Problem solving +1
"The Chinese people have stood up."
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Education
Maria Montessori
1870-1952 · Italy
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…
Scientific thinking Ethical thinking Research skills Creative expression +1
"Never help a child with a task at which he feels he can succeed."
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