The Author: Christopher Berry Gray received his degrees in philosophy from St. Bonaventure University (B.A. 1963) and The Catholic University of America (M.A. 1965; Ph.D. 1970), and in law from McGill University (B.C.L. 1978; L.L.B. 1979). Since 1967, he has taught philosophy at Concordia University, Montreal, Quebec, and its predecessor institutions. He has written over a hundred articles, which have appeared in journals of law and of philosophy. He is also the editor of Philosophical Reflections on the U.S. Constitution (1989) and The Philosophy of Law: An Encyclopedia (2 volumes, 1999).