... 529. l.p.g. *philosophy, history of centres and departments of.J. Dillon, The Heirs of Plato: A Study of the Old Academy 34 7–274 BC (Oxford, 20 03) .—— The Middle Platonists 80 BC to AD 220 (Ithaca, ... motion, due to Zeno ofElea. In a race, Achilles can never catch the tortoise, if the tortoise is given a head start. For while Achilles closes the initial gap between them, the tortoise will ... 1 934 he was forced to emigrate, first to Oxford, then in 1 938 to New York.His thought was permanently marked by the rise of fas-cism, and by the failure of *Marxism both in the West andin the...