Euclid, detail from The School of Athens painting by Raphael. It is not certain that this depicts Euclid. Some references point this person out as Archimedes
English Euclid shows us a spectacularly panoramic and detailed view of the Horsehead Nebula, also known as Barnard 33 and part of the constellation Orion
This file was derived from: Euclid-proof.jpg This image is a derivative work of the following images: File:Euclid-proof.jpg licensed with GPL 2007-05-28T18:51:27Z