Archimedes Thoughtful, painted 1620 CE in Mantua by Domenico Fetti (1588–1623).
Gemäldegalerie Alte Meister, Dresden, Germany.
Based on Wikipedia content that has been reviewed, edited, and republished.
Original image by Domenico Fetti. Uploaded by Jan van der Crabben, published on 31 October 2013 under the following license: Public Domain. This item is in the public domain, and can be used, copied, and modified without any restrictions.