Kenneth L. Schmitz is professor of philosophy at the John Paul II Institute for Studies on Marriage and Family, USA as well as a fellow of Trinity College, Canada and professor emeritus of philosophy at the University of Toronto, Canada. He is the author of numerous works including At the Center of the Human Drama: The Philosophy of Karol Wojtyla/Pope John Paul II. Paul O'Herron teaches philosophy at Mount St. Mary's College in Newburgh, New York, USA.