498141 Landscape with buildings, 1648-51 (oil on canvas) by Poussin, Nicolas (1594-1665); 120x187 cm; Prado, Madrid, Spain; (add.info.: In the foreground are three seated figures; this may be a representation of the trip to Athens by the Ancient Greek philosopher, Diogenes of Sinope (c. 410-323 BC); also known as Diogenes the Cynic, he was one of the founders of the school of philosophy known as \'Cynical\'; he was considered a classical exemplar of honesty and rebellion against the falseness and artificiality of \'civilization\'; he is usually dressed in just a rough cloak as in this picture; painting acquired for King Philip V of Spain at the Palacio de la Granja de San Ildefonso, Segovia, in 1727;); French, out of copyright.