Stephen Brock

Fr. Stephen L. Brock is a priest of the Prelature of Opus Dei and Professor of medieval philosophy at the Pontifical University of the Holy Cross.
Since 1990 Professor Brock has taught medieval philosophy at the Pontifical University of the Holy Cross in Rome. He was a visiting professor at the Catholic University of America in 1999, and is at the University of Chicago starting in 2017. His research has been mainly on the thought of Thomas Aquinas, in the areas of ethics, action theory, and metaphysics, with occasional ventures into theology.

Selected Publications:
Action & Conduct: Thomas Aquinas and the Theory of Action, The Catholic University of America Press, 2022

The Light that Binds: A Study in Thomas Aquinas’s Metaphysics of Natural Law, Pickwick Publications (2020)

“The Specification of Action in Aquinas: Nonmotivating Conditions in the Object of Intention,” The Thomist (2019)

“Dead Ends, Bad Form: The Positivity of Evil in the Summa theologiae,” in Aquinas’s Summa Theologiae: A Critical Guide, ed. Jeffrey P. Hause, Cambridge U. Press (2018)

“Formal Infinity, Perfection, and Determinacy in the Metaphysics of St. Thomas Aquinas,” Forum: Supplement to Acta Philosophica (2016)

The Philosophy of Saint Thomas Aquinas: A Sketch, Cascade Books (2015)

“Intentional Being, Natural Being, and the First-Person Perspective in Thomas Aquinas,” The Thomist (2013)

“The Causality of the Unmoved Mover in Thomas Aquinas’s Commentary on Metaphysics XII,” Nova et Vetera (2012)

“On Whether Aquinas’s Ipsum Esse Is ‘Platonism’,” The Review of Metaphysics (2006)

“Causality and Necessity in Thomas Aquinas,” Quaestio (2002)