who is Pythagoras? Share with your friends Share 1 Serena answered this Pythagoras of Samos was an Ionian Greek philosopher, mathematician, and has been credited as the founder of the movement called Pythagoreanism- THIS INFO IS FOR WHO IS PHYTHAGORAS.HOPE IT HELPS ! 3 View Full Answer ... answered this Yes,SERENA is right!!! 1 Vaibhave answered this Pythagoras of Samos was an Ionian Greek philosopher, mathematician, and has been credited as the founder of the movement called Pythagoreanism 1