Claim: Pythagoras was considered to be the founder of the Pythagoreanism movement.
Evidence: Pythagoras of Samos -LRB- -LSB- pɪˈθægərəs -RSB- -LSB- paɪˈθægərəs -RSB- -LSB- Πυθαγόρας ὁ Σάμιος , Pythagóras ho Sámios , Pythagoras the Samos , Samian -RSB- , or simply Πυθαγόρας Πυθαγόρης in Ionian Greek ; -RRB- was an Ionian Greek philosopher , mathematician , and putative founder of the Pythagoreanism movement.