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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152 thinkers
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Era: Modern × Page 3 of 7
Mathematics
Grace Hopper
1906-1992 · United States
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…
Scientific thinking Critical thinking Creative expression Research skills +1
"It is easier to ask forgiveness than it is to get permission."
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Biology
Gregor Mendel
1822-1884 · Moravia, Austrian Empire (now Czech Republic)
Gregor Mendel (1822-1884) was an Augustinian friar, botanist, and the founder of genetics. He was born Johann Mendel in what is now the Czech Republic,…
Scientific thinking Research skills Numeracy and mathematical thinking Critical thinking +1
"My scientific work has brought me a great deal of satisfaction, and I am convinced that it will be appreciated…"
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Politics
Hannah Arendt
1906-1975 · Germany / United States
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…
Citizenship Ethical thinking Civic media and democracy Critical thinking +1
"The sad truth is that most evil is done by people who never make up their minds to be good…"
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Literature
Harriet Martineau
1802-1876 · United Kingdom
Harriet Martineau was an English writer and social theorist. Many scholars now call her the first woman sociologist. She was born on 12 June 1802…
Critical thinking Research skills Ethical thinking Cultural heritage and identity +1
"Readers are plentiful: thinkers are rare."
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History
Howard Zinn
1922-2010 · United States
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,…
Critical thinking Citizenship Research skills Critical literacy +1
"I thought it important to put back in the historical record the countless struggles of ordinary people who fought against…"
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Medicine & Health
Ignaz Semmelweis
1818-1865 · Hungary / Austria
Ignaz Semmelweis (1818-1865) was a Hungarian physician working in Vienna. He was born in Buda, in what is now Budapest, and studied medicine at the…
Scientific thinking Health literacy Critical thinking Research skills +1
"God only knows the number of patients who have gone prematurely to their graves because of me."
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Business & Management
Ikujiro Nonaka
b. 1935 · Japan
Ikujiro Nonaka (born 1935) is a Japanese organisational theorist whose work on knowledge creation in organisations has made him one of the most influential management…
Creative expression Critical thinking Cultural heritage and identity Research skills +1
"The knowledge-creating company is as much about ideas as it is about ideals."
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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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Philosophy
Iris Murdoch
1919 - 1999 · Ireland / United Kingdom
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…
Ethical thinking Creative expression Critical thinking Emotional intelligence +1
"Love is the extremely difficult realisation that something other than oneself is real."
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Philosophy
Jacques Derrida
1930-2004 · France (born in French Algeria)
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…
Critical thinking Creative expression Ethical thinking Cultural heritage and identity +1
"There is nothing outside the text."
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Literature
James Baldwin
1924-1987 · United States
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…
Critical literacy Ethical thinking Cultural heritage and identity Storytelling and narrative +1
"Not everything that is faced can be changed, but nothing can be changed until it is faced."
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Sociology
Jane Addams
1860-1935 · United States
Jane Addams was an American sociologist, social reformer, and peace activist. She is one of the founders of American sociology, though she was left out…
Ethical thinking Emotional intelligence Critical thinking Research skills +1
"The good we secure for ourselves is precarious and uncertain until it is secured for all of us and incorporated…"
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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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Philosophy
John Dewey
1859-1952 · United States
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…
Critical thinking Ethical thinking Problem solving Creative expression +1
"Education is not preparation for life; education is life itself."
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Economics
John Maynard Keynes
1883–1946 · Cambridge, England
John Maynard Keynes (1883–1946) was a British economist whose ideas changed the way governments manage their economies. He grew up in Cambridge, England, studied mathematics…
Critical thinking Critical literacy Metacognition
"In the long run we are all dead."
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Politics
John Rawls
1921-2002 · United States
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,…
Ethical thinking Citizenship Critical thinking Systems thinking +1
"Justice is the first virtue of social institutions, as truth is of systems of thought."
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Literature
José Carlos Mariátegui
1894-1930 · Peru
José Carlos Mariátegui was a Peruvian thinker, journalist, and political activist. He was one of the most original political writers in Latin American history. He…
Critical thinking Ethical thinking Cultural heritage and identity Research skills +1
"We certainly do not want socialism in Latin America to be a copy or an imitation. It must be a…"
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Politics
Judith Heumann
1947-2023 · United States
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…
Ethical thinking Critical thinking Cultural heritage and identity Emotional intelligence +1
"Some people say that what I did changed the world. But really, I simply refused to accept what I was…"
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Economics
Karl Marx
1818-1883 · Germany / England
Karl Marx (1818-1883) was a German economist, philosopher, historian, and political thinker whose ideas have shaped the modern world more than almost any other thinker…
Critical thinking Ethical thinking Research skills Cultural heritage and identity +1
"The philosophers have only interpreted the world, in various ways; the point, however, is to change it."
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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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Arts
Katsushika Hokusai
1760-1849 · Japan (Edo / Tokyo)
Katsushika Hokusai (1760-1849) was a Japanese painter and printmaker of the Edo period, widely regarded as the greatest artist of the ukiyo-e tradition and one…
Creative expression Critical thinking Cultural heritage and identity Research skills +1
"From the age of six I had a mania for drawing the shapes of things."
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Philosophy
Kitaro Nishida
1870–1945 · Japan
Kitaro Nishida (1870–1945) was a Japanese philosopher and the founder of what is known as the Kyoto School — the first major tradition of Japanese…
Critical thinking Metacognition Intercultural competence Critical literacy
"At the base of our existence, there must be something that unifies the opposition of subject and object."
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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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