Detail of a Roman mosaic of the late 2nd or early 3rd century depicting the Greek Epicurean philosopher Metrodorus of Lampsacus (331â€“277 BC) accompanied by Greek text. Found in the Rue de la Grille in Autun (Augustodunum in Roman times), this is only a fragment of a large mosaic depicting several Greek philosophers. Musée Rolin, Autun, France. Credit: Holly Hayes. All Rights Reserved.