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The Greatest Philosophers of All Time

From Plato to Wittgenstein, the thinkers who taught us how to think about thinking.

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Philosophy is the foundation of every other discipline — it asks what we can know, what we should do, and what truly exists. The 2,500-year conversation has been carried by a small number of remarkable minds.

Aristotle systematized logic and ethics. Kant set the boundaries of pure reason. Wittgenstein redefined language. Each one is on this list.

Frequently Asked Questions

Who is considered the greatest philosopher of all time?

Plato and Aristotle are the two most-cited candidates. Plato founded the first university in the West; Aristotle systematized logic, biology, ethics, and metaphysics.

What philosopher had the highest IQ?

Estimates vary widely, but John Stuart Mill is often cited at IQ 180–200, partly because of extreme childhood precocity. Aristotle and Leonardo da Vinci also rank near the top.

How many philosophers have won the Nobel Prize?

Bertrand Russell, Henri Bergson, and Jean-Paul Sartre all won the Nobel Prize in Literature, recognizing their philosophical writing. Sartre famously declined the award.

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