Posidonius (135-51 BC); philosopher; historian and geographer; scientist greek; a leading representative of the so-called media am. Insignia College in Rhodes where he had among his disciples Cicero and Pompey. Portrait by: 'gallery of the ancient Greeks and Romans with a small description of their lives' by Georg Wilhelm Zapf; dedicated the Altitude serenissima Charles Frederick Margrave of Baden; translation from German to Tommaso de Bassus (1742-1815) by Giuseppe Ambrosioni; Vol. I; 1784 Poschiavo