This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Pythagoras with tablet of ratios. en Detail of Pythagoras with tablet of ratios numbers sacred to the Pythagoreans from The School of Athens by Raphael Vatican Palace Rome Detail from File La scuola di Atene Raphael other versions Custom marker PDold Uploaded with Details of The School of Athens Pythagoras