Conventional wisdom suggests that the Platonist philosophers of Late Antiquity, from Plotinus (third century) to the sixth-century schools in Athens and Alexandria, neglected the political dimension of their Platonic heritage in their concentration on an otherworldly life. But Dominic O'Meara presents a revelatory reappraisal of these thinkers, arguing that their otherworldliness involved rather than excluded political ideas, and he reconstructs for the first time a coherent political philosophy of Late Platonism.