Pythagoras (l.c. 571 to c. 497 BCE) was a Greek philosopher whose teachings emphasized the immortality and transmigration of the soul (reincarnation), virtuous, humane behavior toward all living things, and the concept of "number" as truth in that mathematics not only cleared the mind but allowed for an objective comprehension of reality.

More about: Pythagoras


  • c. 571 BCE - c. 497 BCE
    Life of Pythagoras of Samos; claim that "number" is the First Cause of existence and the soul is immortal.
  • c. 530 BCE
    Pythagoras founds a school of mathematics in the city of Croton (southern Italy).