David Lyons is an authority on legal philosophy who has written extensively on utilitarianism and the moral aspects of legal theory. After receiving his Ph.D. from Harvard University and completing a Knox Fellowship in Oxford, Professor Lyons began teaching philosophy at Cornell in 1964, and received a Guggenheim Fellowship in 1970. The Chairman of Cornell University's Philosophy Department from 1978-1984, Professor Lyons began teaching in the Law School in 1979. When he retired from Cornell in 1995, Professor Lyons had authored numerous philosophical texts and was a three-time NEH Fellow. Professor Lyons continues to teach legal philosophy at Boston University.