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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Subject: Philosophy × Scientific thinking ×
Philosophy
Adi Shankara
Traditionally 788-820 · India (Hindu, Advaita Vedanta)
Adi Shankara (traditionally 788-820, though some scholars propose earlier dates) was an Indian philosopher and theologian whose consolidation of the Advaita Vedanta school shaped Hindu…
Critical thinking Ethical thinking Cultural heritage and identity Research skills +1
"Brahman is real, the world is false, and the individual soul is no other than Brahman."
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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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Philosophy
Baruch Spinoza
1632-1677 · Netherlands (Portuguese Jewish family)
Baruch Spinoza was a Dutch philosopher. He is one of the most important thinkers of the early modern period. He was born on 24 November…
Critical thinking Ethical thinking Research skills Scientific thinking +1
"God, or Nature."
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Philosophy
Ibn Rushd (Averroes)
1126-1198 · Al-Andalus (modern Spain)
Ibn Rushd (1126-1198), known in Latin Europe as Averroes, was a philosopher, jurist, physician, and astronomer from Al-Andalus, the Muslim-ruled region of the Iberian Peninsula.…
Critical thinking Ethical thinking Cultural heritage and identity Research skills +1
"Truth does not oppose truth but accords with it and bears witness to it."
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Philosophy
Ibn Sina
980-1037 CE · Persia and Central Asia (present-day Uzbekistan and Iran)
Ibn Sina (980-1037 CE), known in the Western world as Avicenna, was a Persian Muslim philosopher and physician. He was born near Bukhara in what…
Scientific thinking Health literacy Critical thinking Research skills +1
"The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its…"
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Philosophy
John Locke
1632-1704 · England
John Locke was an English philosopher. He is one of the most influential political thinkers in world history. He was born on 29 August 1632…
Critical thinking Ethical thinking Research skills Scientific thinking +1
"All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions."
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Philosophy
Karl Popper
1902-1994 · Austria / United Kingdom
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…
Scientific thinking Critical thinking Ethical thinking Research skills +1
"A theory which is not refutable by any conceivable event is non-scientific. Irrefutability is not a virtue of a theory…"
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Philosophy
Mary Anning
1799-1847 · England
Mary Anning (1799-1847) was an English fossil collector and self-taught palaeontologist whose discoveries on the cliffs of Lyme Regis in Dorset transformed scientific understanding of…
Scientific thinking Research skills Critical thinking Cultural heritage and identity +1
"The world has used me so unkindly, I fear it has made me suspicious of everyone."
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Philosophy
Mary Midgley
1919 - 2018 · United Kingdom
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…
Ethical thinking Critical thinking Scientific thinking Creative expression +1
"Philosophy is like plumbing. It is something nobody notices until it goes wrong."
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Philosophy
Nagarjuna
c. 150-250 CE · India, South Asia
Nagarjuna (approximately 150-250 CE) was an Indian Buddhist philosopher, widely considered one of the most important and influential thinkers in the entire history of Asian…
Metacognition Ethical thinking Scientific thinking Critical thinking +1
"Whatever is dependently arisen, that is explained to be emptiness. That, being a dependent designation, is itself the middle way."
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Philosophy
Thomas Aquinas
1225-1274 · Kingdom of Sicily (Italy, Dominican / Catholic)
Thomas Aquinas (1225-1274) was an Italian Dominican friar, philosopher, and theologian whose synthesis of Christian theology with Aristotelian philosophy became the most influential intellectual achievement…
Critical thinking Ethical thinking Cultural heritage and identity Research skills +1
"Because in created things the existence differs from the essence, it follows that in them also there is a composition…"
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Philosophy
Thomas Kuhn
1922-1996 · United States
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…
Scientific thinking Research skills Critical thinking Metacognition +1
"Normal science does not aim at novelties of fact or theory and, when successful, finds none."
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Philosophy
Vladimir Vernadsky
1863-1945 · Russian Empire / Soviet Union (Ukrainian descent, founded Ukrainian Academy of Sciences)
Volodymyr Ivanovych Vernadsky (in Russian: Vladimir Ivanovich Vernadsky) was a mineralogist, geochemist, and philosopher of science. He helped found three modern scientific disciplines: geochemistry, biogeochemistry,…
Scientific thinking Critical thinking Research skills Ethical thinking +1
"Life is not just present on Earth's surface. Life is a planetary force."
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