This talk was delivered in June 2021 at the Third Annual Thomistic Philosophy and Natural Science Symposium, "Chance and Indeterminacy in the Natural World." For information on upcoming events, please visit our website at www.thomisticinstitute.org. About the speaker: Prof. Michael Gorman is Ordinary Professor of Philosophy at the Catholic University of America. He received a doctorate in philosophy from SUNY Buffalo and a doctorate in theology from Boston College. He is also a scholar in the Templeton Virtue Project and a fellow of CUA's Institute for Human Ecology. He recently published a book, Aquinas on the Metaphysics of the Hypostatic Union, published by Cambridge University Press.