License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Stefano della Bella. Rock of the Philosphers, or Mount Parnassus, many ancient philosophers gathered in groups at the base of the mountain in the foreground, Diogenes in his barrel to right and Archimedes in center studying an armillary sphere in the middleground, an angel in the sky to left, the mountain in the background, a large cloud at the top of the mountain with the assembly of the gods, ca. 1661. The Metropolitan Museum of Art.