The Thomistic Institute

Fr. John Baptist Ku unpacks St. Thomas Aquinas’s doctrine of predestination, showing how God’s universal salvific will, efficacious grace, and real human freedom coexist without collapsing into Calvinist double predestination or Pelagian self-salvation.

This lecture was given on November 22nd, 2025, at Dominican House of Studies.

For more information on upcoming events, visit us at thomisticinstitute.org/upcoming-events.

About the Speakers:

Fr. John Baptist Ku was born in Manhattan (1965) and grew up in Fairfax, Virginia. After graduating from School of Engineering and Applied Science at the University of Virginia, he worked in software design at AT&T for five years before entering the Dominican Order in 1992. After obtaining his S.T.B./M.Div. (1998) and S.T.L. (2000) at the Dominican House of Studies, he served for three years in St. Pius Parish in Providence, R.I., before going on to complete his studies doctoral studies at the University of Fribourg in 2009. He was awarded the Thomas Aquinas Dissertation Prize by the Aquinas Center for Theological Renewal at Ave Maria University (2010) for his dissertation on God the Father in the Theology of St. Thomas Aquinas. He now teaches at the Dominican House of Studies in Washington, D.C., where he has also served as book review editor of The Thomist, chaplain to commuter students, and chaplain to the Immaculate Conception Chapter of Third Order Dominicans.

Keywords: Aquinas on Predestination, Divine Providence, Efficacious and Sufficient Grace, Free Will and Foreknowledge, Molinism and Middle Knowledge, Reprobation, Single Predestination, Universal Salvific Will

Prof. Thomas Osborne clarifies how, for Aristotle and St. Thomas Aquinas, the distinctive immateriality of human intellectual knowledge grounds a philosophical case for the soul’s immortality, going beyond today’s narrower “problem of consciousness.”

This lecture was given on October 16th, 2025, at University of Connecticut.

For more information on upcoming events, visit us at thomisticinstitute.org/upcoming-events.

About the Speakers:

Thomas M. Osborne, Jr. (Ph.D, Duke University, 2001) is the Frank A. Rudman Endowed Chair in Philosophy and the Chair of the Department of Philosophy at the University of St. Thomas. He has published widely on Thomas Aquinas, Thomism, and medieval and late scholastic philosophy. His interests cover moral psychology, ethics, political philosophy, and metaphysics. His latest book is Thomas Aquinas on Virtue (Cambridge University Press, 2024).

Keywords: Aristotle's De Anima, Immaterial Intellect, Immortality of the Soul, Intentional Presence, Philosophy of Mind, Soul, Subsistent Form, Universals and Knowledge

Prof. Marshall Bierson uses Aristotle’s distinction between work, play, and deeper “energetic” activities to argue that friendship and contemplation uniquely allow us to “rest” in what is truly good and meaningful, and then shows how Aquinas radicalizes this by making both contemplation and friendship with God the heart of human fulfillment.

This lecture was given on November 20th, 2025, at Cornell University.

For more information on upcoming events, visit us at thomisticinstitute.org/upcoming-events.

About the Speakers:

Marshall Bierson is an assistant professor of philosophy at the Catholic University of America. His research centers on the intersection of ethics and philosophical anthropology. He is particularly focused on the work of Elizabeth Anscombe and in exploring how her Thomisticly inflected philosophical psychology clarifies moral absolutes.

Keywords: Aristotle, Energeia and Kinesis, Friendship and Contemplation, Meaning of Human Activity, Nihilism and Work–Play, Practical and Theoretical Reason, Thomistic Friendship with God

Dr. Erik Dempsey explains how St. Thomas Aquinas sees pleasure as a natural and God-given part of the good life, one that both signals our true human ends and yet must be disciplined by temperance in a fallen world.

This lecture was given on December 4th, 2025, at Southern Methodist University.

For more information on upcoming events, visit us at thomisticinstitute.org/upcoming-events.

About the Speakers:

Professor Erik Dempsey an Associate Professor of Instruction in the Departments of Government, Classics, and Religious Studies, and is the Assistant Director of the Thomas Jefferson Center for the Study of Core Texts and Ideas. He has taught at the University of Texas at Austin for over ten years, during which time he has offered classes in the history of political philosophy, on the Bible and its interpreters, on American political thought, on classical philosophy and literature, and others. His favorite classes to teach are Jerusalem and Athens, a class comparing the political, moral, and theological ideas of the Hebrew Bible to Aristotle's, and the Question of Relativism, a class on what he considers the central quandary of our time. He writes primarily about Aristotle and Thomas Aquinas, and he is currently studying John Locke's commentaries on St. Paul's epistles. Last but not least, he is an Eagle Scout.

Keywords: Asceticism and Grace, Desire, Natural Law, Original Sin, Pleasure and Temperance, Screwtape Letters, Virtue and the Good Life

Prof. Timothy O’Connor examines why an all-loving, omnipotent God permits horrendous suffering and explores how, within a Christian framework, such evils can be “defeated” and taken up into the communion of saints as part of our eternal union with God.

This lecture was given on December 3rd, 2025, at University of Scranton.

For more information on upcoming events, visit us at thomisticinstitute.org/upcoming-events.

About the Speakers:

Tim O’Connor is the Mahlon Powell Professor of Philosophy and Cognitive Science at Indiana University, Bloomington. He has held research fellowships at the Universities of Oxford, St. Andrews, and Notre Dame. He specializes in metaphysics, philosophy of mind, and philosophy of religion. He has given 200+ lectures in 26 countries. He has written two books, one on free will and the other on God and ultimate explanation. He is currently co-writing a large and wide-ranging book entitled Human Persons: A Contemporary Philosophical-Scientific Synthesis.

Having spent many years as an ecumenical Protestant, Tim was received back into the Catholic Church in February 2024. He has an apostolate to help Protestants better understand and be receptive to the fullness of Catholic faith.

Keywords: Communion of Saints, Eleonore Stump, Horrendous Evil, Marylyn McCord Adams, Problem of Evil, Suffering and Divine Love, Theodicy, Union With God, Wandering in Darkness