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  1. Pythagoras - Wikipedia

    His political and religious teachings were well known in Magna Graecia and influenced the philosophies of Plato, Aristotle, and, through them, Western philosophy.

  2. Pythagoras | Biography, Philosophy, & Facts | Britannica

    Jan 1, 2026 · Pythagoras, Greek philosopher, mathematician, and founder of the Pythagorean brotherhood.

  3. Pythagoras - Stanford Encyclopedia of Philosophy

    Feb 23, 2005 · The popular modern image of Pythagoras is that of a master mathematician and scientist. The early evidence shows, however, that, while Pythagoras was famous in his own …

  4. Pythagoras - 490 BC) - Biography - MacTutor History of …

    Pythagoras was a Greek philosopher who made important developments in mathematics, astronomy, and the theory of music. The theorem now known as Pythagoras's theorem was …

  5. Pythagoras - World History Encyclopedia

    May 23, 2019 · Pythagoras is best known in the modern day for the Pythagorean Theorem, a mathematical formula which states that the square of the hypotenuse of a right triangle is …

  6. Who Was Pythagoras? - Classical Liberal Arts Academy

    Dec 11, 2025 · Among the earliest and most mysterious figures in the history of Western philosophy stands the Greek philosopher Pythagoras. Most commonly known to modern …

  7. Pythagoras - Wikiwand

    Pythagoras of Samos was an ancient Ionian Greek philosopher, polymath, and the eponymous founder of Pythagoreanism. His political and religious teachings were w...

  8. Pythagoras Facts | Britannica

    Pythagoras was a philosopher before Socrates, Aristotle, and Plato. Pythagoras's teachings may have discussed reincarnation - the transition of a soul from one body to another - long before …

  9. Pythagoreanism - Encyclopedia Britannica

    Pythagoreanism is a philosophical school and religious brotherhood believed to have been founded by Pythagoras of Samos about 525 BCE. The character of the original …

  10. Pythagorean Theorem Calculator

    Pythagorean Theorem The Pythagorean Theorem, also known as Pythagoras' theorem, is a fundamental relation between the three sides of a right triangle.