Georgetown backdrop


John Langan headshot

John Langan

Faculty Fellow

Department of Philosophy, Kennedy Institute of Ethics


John P. Langan, S.J. is the Cardinal Bernardin Chair in Catholic Social Thought in the Department of Philosophy, Rose Kennedy Professor of Christian Ethics in the Kennedy Institute of Ethics, and a faculty fellow at the Berkley CenterĀ at Georgetown University. He has taught at Yale Divinity School, Drew University, and Loyola University Chicago. Langan's research interests include ethics and international affairs, especially applications of just war theory; human rights in theory and practice; capital punishment; Catholic social teaching; the place of religion in liberal political thought; and the ethical theories of St. Thomas Aquinas and St. Augustine. He has edited Catholic Universities in Church and Society (1993) and A Moral Vision for America (1998). Langan holds an A.B., M.A., and Ph.L. from Loyola University, as well as a B.D. from Woodstock College and Ph.D. from the University of Michigan.