. . . . . . . . . "c._385_BCE" . . . . . . . . "c._470_BCE" . . . . . . "philolaus"@en . . . "By Gaffurio_Pythagoras.png: Franchino Gaffurio (publisher)derivative work: Singinglemon (talk) - Pythagoras and Philolaus experimenting with musical pipes. From Theorica musicae by Franchino Gaffurio, 1492 (1480?) Gaffurio_Pythagoras.png, Public Domain, https:commons.wikimedia.orgwindex.php?curid=10187961" . . . . . . . . . "philolaus"@en . .