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Stewart Clem, PhD


PhD, University of Notre Dame
MDiv, Duke University
MA, Oklahoma State University
BA, Oklahoma State University


Dr. Clem's research interests include the thought of Thomas Aquinas, the Anglican intellectual tradition, virtue ethics, health care ethics, and the intersection of religion and morality. Before joining the faculty at Aquinas Institute, he was Visiting Assistant Professor of Theology at Valparaiso University. He is a priest in The Episcopal Church.

Dr. Clem is a member of the Anglican - Roman Catholic International Commission (ARCIC) and serves on the Board of Trustees of the Anglican Theological Review and The Living Church Foundation.

Selected Courses
  • The Summa of Aquinas: God & Creation
  • The Summa of Aquinas: Human Person & Society
  • The Summa of Aquinas: Christ & Sacrament
  • Justice and Catholic Social Teaching
  • Ethics of Human Sexuality
  • Foundations of Catholic Morality
  • Contemporary Issues in Health Care Ethics


Selected Publications 


Lying and Truthfulness: A Thomistic Perspective (Cambridge University Press, 2023)


Peer-reviewed Journal Articles:

"Christian Ethics, Religious Ethics, and Secular Ethics: A Contemporary Reappraisal,” Journal of Religious Ethics, Vol. 51, No. 1 (March 2023): 11-31

“The Problem of Clinical Deception and Why We Cannot Begin in the Middle,” Hastings Center Report, Vol. 53, No. 1 (January-February 2023): 28-29

”Pain Management, Theological Ethics, and the Problem of Redemptive Suffering: A Thomistic Analysis,” The Thomist, Vol. 86, No. 1 (January 2022): 91-117

"Moral Rights and the Meaning of Torture: A Response to Nigel Biggar," Anglican Theological Review, Vol. 103, No. 4 (Fall 2021): 409-415

"Lying to the Nazi at the Door: A Thomistic Reframing of the Classic Moral Dilemma," Journal of Religious Ethics, Vol. 49, No. 1 (March 2021): 6-32

"Unlearning Ourselves: The Incarnational Asceticism of John Henry Newman's Anglican Sermons," Anglican Theological Review, Vol. 103, No. 1 (Winter 2021): 44-59

"Still Human: A Thomistic Analysis of 'Persistent Vegetative State,' " Studies in Christian Ethics, Vol. 32, No. 1 (February 2019): 46-55

"The Passions of Christ in the Moral Theology of Thomas Aquinas: An Integrative Account," New Blackfriars, Vol. 99, Issue 1082 (July 2018): 458-480

"Dropping the Debt: A New Conundrum in Kant's Rational Religion," Religious Studies, Vol. 54, No. 1 (March 2018): 131-145

"Post-Truth and Vices Opposed to Truth," Journal of the Society of Christian Ethics, Vol. 37, No. 2 (Fall/Winter 2017): 97-116

"The Epistemic Relevance of the Virtue of Justice," Philosophia, Vol. 41, No. 2 (June 2013): 301-311