Ronald PolanskyRonald Polansky is Professor of Philosophy and Chair of the Department of Philosophy at Duquesne University. He has been editor of the journal Ancient Philosophy since its beginning in 1980. Polansky is the author of Aristotle's 'De anima': A Critica Commentary (Cambridge, 2007) and Philosophy and Knowledge: A Commentary on Plato's 'Theaetetus' (1992), and co-editor of Bioethics: Ancient Themes in Contemporary Issues (2002). Read More Read Less