John P. Hittinger  is a professor in the department of philosophy and he is a member of the Center for Thomistic Studies at the University of St Thomas, Houston. Hittinger has published articles on political philosophy, just war theory, and the thought of Karol Wojtyla. He has published six books, including Liberty, Wisdom and Grace: Thomism and Modern Democratic Theory.  Lanham, Md.: Lexington Press, 2002.