Leo Strauss (1899-1973) was the Robert Maynard Hutchins Distinguished Service Professor Emeritus of Political Science at the University of Chicago. His contributions to political philsophy include Natural Right and History, The Political Philosophy of Hobbes, The City and the Man, Thoughts on Machiavelli, Persecution and the Art of Writing, What Is Political Philosophy?, The History of Political Philosophy, and The Rebirth of Classical Rationalism, all available from the University of Chicago Press.