used by the astronomers Hipparchus, Geminus of Rhodes, and Ptolemy. He is said by Stephanus of Byzantium to have written a treatise on the winds. Notes Further reading Tarán, Leonardo. Academica: Plato, Philip of Opus, and the pseudo-Platonic Epinomis. Philadelphia: American Philosophical Society, 1975. Academic philosophers Ancient Greek astronomers Classical Greek philosophers 4th-century BC philosophers 4th-century BC Greek people