808705 Hippocrates and Democritus (oil on canvas) by Berchem, Nicolaes Pietersz. (1620-83); 67.5x81.4 cm; Private Collection; (add.info.: Hippocrates of Kos (c.460-c.370 BC), ancient Greek physician credited with establishing medicine as a distinct profession. Democritus (c.460-c.370 BC), ancient Greek pre-Socratic philosopher who proposed an atomic theory of the universe.); Photo 穢 Rafael Valls Gallery, London, UK; Dutch, out of copyright.