570 BC - 495 BC

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Pythagoras of Samos (c. 570 – c. 495 BC) was an ancient Ionian Greek philosopher, polymath and the eponymous founder of Pythagoreanism. His political and religious teachings were well known in Magna Graecia and influenced the philosophies of Plato, Aristotle, and, through them, the West in general. Read more on Wikipedia

Since 2007, the English Wikipedia page of Pythagoras has received more than 10,365,615 page views. His biography is available in 156 different languages on Wikipedia (up from 148 in 2019). Pythagoras is the 5th most popular philosopher, the 5th most popular biography from Greece (up from 6th in 2019) and the 4th most popular Greek Philosopher.

Pythagoras is most famous for the Pythagorean theorem, which states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

Memorability Metrics

  • 10M

    Page Views (PV)

  • 91.06

    Historical Popularity Index (HPI)

  • 156

    Languages Editions (L)

  • 19.42

    Effective Languages (L*)

  • 3.99

    Coefficient of Variation (CV)


Among philosophers, Pythagoras ranks 5 out of 1,267Before him are Aristotle, Plato, Socrates, and Gautama Buddha. After him are Confucius, René Descartes, Immanuel Kant, Avicenna, Jean-Jacques Rousseau, Niccolò Machiavelli, and Friedrich Nietzsche.

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Among people born in 570 BC, Pythagoras ranks 1After him are Xenophanes, Anacreon, Theognis of Megara, and Hystaspes. Among people deceased in 495 BC, Pythagoras ranks 1After him are Lucius Tarquinius Superbus, and Hystaspes.

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In Greece

Among people born in Greece, Pythagoras ranks 5 out of 1,024Before him are Aristotle (-384), Plato (-427), Socrates (-470), and Alexander the Great (-356). After him are Homer (-800), Mustafa Kemal Atatürk (1881), Hippocrates (-460), Sophocles (-497), Pericles (-494), Democritus (-460), and Epicurus (-341).


Among philosophers born in Greece, Pythagoras ranks 4Before him are Aristotle (-384), Plato (-427), and Socrates (-470). After him are Democritus (-460), Epicurus (-341), Plutarch (46), Protagoras (-486), Gorgias (-483), Theophrastus (-371), Antisthenes (-445), and Pyrrho (-365).