Laurence BonJour is professor of philosophy at the University of Washington in Seattle. He is author of numerous articles and author or editor of several books, including Philosophical Problems: An Annotated Anthology (co-edited, Pearson Longman), Epistemic Justification: Internalism vs. Externalism, Foundations vs. Virtues (co-authored, Oxford University Press), In Defense of Pure Reason (Cambridge University Press), and The Structure of Empirical Knowledge (Harvard University Press).