Alexander George is Associate Professor of Philosophy at Amherst College. He is editor of "Reflections on Chomsky"" (1989) "Western State Terrorism" (1991) and "Mathematics and Mind" (1994).
Daniel J. Velleman is Professor of Mathematics at Amherst College. He is author of "How to Prove It: A Structured Approach" (1994) and co-author of "Which Way Did the Bicycle Go? And Other Intriguing Mathematical Mysteries" (with Joseph Konhauser and Stan Wagon, 1996).