Photo Credit: Busto di Pitagora. Copia romana di originale greco. Musei Capitolini, Roma.

Website:
http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Pythagoras.html

Related Works:
Harmonics
Harmony of the Spheres
The School of Athens by Raphael shows Pythagoras teaching music

Wikipedia: