John Perry is the Henry Waldgrave Stuart Professor of Philosophy at Stanford University, where he has chaired the Philosophy Department and directed the Center for the Study of Language and Information, which he helped found. He is the author of numerous books, including The Art of Procrastination: A Guide to Effective Dawdling, Lollygagging and Postponing and, most recently, Studies in Language and Information, the latter also published by CSLI Publications.