The discoverer of the Pythagorean theorem was born less than two kilometers off the west coast of Turkey, on the Greek island of Samos.
He left no writings, but established a school to teach mysticism as well as mathematics. The idea that "all is number" was dominant. Odds were female, evens male and each number had meaning, eg. three: harmony.
Under his tutelage, students were vegetarians, following secret rites and bizarre prohibitions. The also extended and developed Pythagorean mathematical and scientific ideas.