John O'Callaghan: Articoli scritti
John O'Callaghan took his Ph.D. from the University of Notre Dame, where he is now director of the Jacques Maritain Center. Before joining the Notre Dame faculty, he taught philosophy at Creighton University and the University of Portland. Professor O’Callaghan has been appointed a permanent member of the Pontifical Academy of St. Thomas Aquinas and he is also President of the American Catholic Philosophical Association. His areas of expertise are medieval philosophy, Thomas Aquinas, and Thomistic metaphysics.