Among his pupils were the early medical theorist Alcmaeon of Croton and the philosopher , mathematician , and astronomer Philolaus .
Pythagoras founded his school , the Pythagoreans , at Croton c. 530 BC .
Among Pythagoras ' pupils were the early medical theorist Alcmaeon of Croton and the philosopher , mathematician , and astronomer Philolaus .
Pythagoras founded his school , the Pythagoreans , at Croton c. 530 BC .