John Greco is Associate Professor of Philosophy at Fordham University. His essays on epistemology, moral theory, and philosophy of religion have appeared in such journals as
American Philosophical Quarterly, American Catholic Philosophical Quarterly, Canadian Journal of Philosophy, Metaphilosophy, and
Philosophy and Phenomenological Research. Ernest Sosa is Romeo Elton Professor of Natural Theology at Brown University. He is co-editor (with Jonathan Dancy) of the Companion to Epistemology (Blackwell 1993), the Companion to Metaphysics (with Jaegwon Kim, Blackwell 1994), Metaphysics: an Anthology (with Jaegwon Kim, Blackwell 1998), and Epistemology: an Anthology (with Jaegwon Kim, Blackwell 1999). He is series editor of Great Debates in Philosophy (Blackwell) and is author of Knowledge in Perspective (1993).