Erson> (Pythagoras of Samos, Ionia about 569-475 BC) ThE GrEEk mathEmatician who foundEd a philosophical and rEligious school in Croton (now CrotonE) in southErn Italy. Pythagoras is most famous for Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=Pythagoras' thEorEm">Pythagoras' thEorEm but othEr important postulatEs arE attributEd to him, E.g. thE sum of thE anglEs of a trianglE is Equal to two right anglEs. (2004-02-12)