Robert Audi is thc David E. Gallo chair in Ethics and Professor 0f Philosophy at University of Notre Dame. He is thc author and editor of several books including Belief Justyication, and Knowledge (Wadsworth, 1988), T he Structure 0f Justyication (Cambridge, 1993), Action, Intention, and Reason (Cornell, 1993), Moral Knowledge and Ethical Character (Oxford, 1997), Epistemology: A Contempomify Introduction t0 the T heory 0fKnowledge (Routledge, 1998), T he Architecture 0f Reason: T he Structure and Substance 0f Rationality, (Oxford, 2001), T he G00d in the Right: A T heozfy oflntuition and Intrinsic Value (Princeton, 2004), Practical reasoning and Ethical Decision (Routledge, 2006) and T he Cambridge Dictionary 0f Philosophy.