Historical artwork of seven prestigious physicians from Ancient Greece. Galen (129-200 AD), is sitting in a chair at upper center. Closest to Galen are Crateuas (120-60 BC, upper left) and Dioscorides (40-90 AD, upper right). The middle pair are Apollonius Mys (practiced c. 30 BC, left) and Nicander (197-130 BC, right). At the bottom are Andreas (died c. 217 BC, left) and Rufus of Ephesus (c. 53-117 AD, right). Image from the Vienna Dioscurides, a 6th century replica of the manuscript De Materia Medica, written by Dioscorides prior to his death.