535 BC - 470 BC

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Heraclitus of Ephesus (; Greek: Ἡράκλειτος ὁ Ἐφέσιος, translit. Hērákleitos ho Ephésios, pronounced [hɛː.rá.kleː.tos ho e.pʰé.si.os]; "Glory of Hera" c. 535 – c. 475 BC, fl. 500 BC) was an Ancient Greek, pre-Socratic, Ionian philosopher and a native of the city of Ephesus, which was then part of the Persian Empire. His paradoxical philosophy and appreciation for wordplay and cryptic utterances has earned him the epithet "The Obscure" since antiquity. Read more on Wikipedia

Since 2007, the English Wikipedia page of Heraclitus has received more than 2,819,021 page views. His biography is available in 89 different languages on Wikipedia (up from 87 in 2019). Heraclitus is the 22nd most popular philosopher (up from 24th in 2019), the 6th most popular biography from Turkey (down from 5th in 2019) and the most popular Turkish Philosopher.

Heraclitus is most famous for the saying "you cannot step into the same river twice."

Memorability Metrics

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    Historical Popularity Index (HPI)

  • 89

    Languages Editions (L)

  • 12.94

    Effective Languages (L*)

  • 3.39

    Coefficient of Variation (CV)

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Among philosophers, Heraclitus ranks 22 out of 1,089Before him are Thomas Aquinas, Georg Wilhelm Friedrich Hegel, Montesquieu, Arthur Schopenhauer, Thomas Hobbes, and Epicurus. After him are Baruch Spinoza, Erasmus, Thales of Miletus, Seneca the Younger, Friedrich Engels, and Averroes.

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Among people born in 535 BC, Heraclitus ranks 1After him are Phrynichus and Theron of Acragas. Among people deceased in 470 BC, Heraclitus ranks 1After him are Parmenides and Euphronios.

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In Turkey

Among people born in Turkey, Heraclitus ranks 6 out of 1,128Before him are Homer (-800), Paul the Apostle (5), Herodotus (-484), Suleiman the Magnificent (1494), and Saint George (280). After him are Thales of Miletus (-623), Selim II (1524), Mehmed the Conqueror (1432), Osman I (1254), Selim I (1470), and Diogenes (-404).


Among philosophers born in Turkey, Heraclitus ranks 1After him are Thales of Miletus (-623), Diogenes (-404), Anaximander (-610), Anaxagoras (-500), Epictetus (50), Xenophanes (-570), Gregory of Nazianzus (329), Ibn Taymiyyah (1263), Chrysippus (-281), Posidonius (-135), and Anaximenes of Miletus (-585).