Mark D. Gossiaux

Dr. Gossiaux specializes in the history of medieval philosophy and classical metaphysics. He is
particularly interested in the philosophical thought of the thirteenth and fourteenth centuries. His
current research focuses on the metaphysical thought of James of Viterbo (1255-1307/8), and his
relation to other key thinkers of his day, such as Giles of Rome, Henry of Ghent, and Duns
Scotus. Dr. Gossiaux received the College of Arts and Sciences 2022 Excellence in Research
Award, and the Faculty Senate Award for Excellence in Research for 2024. During the 2024-25
academic year he was a Visiting Fellow at the De Wulf-Mansion Centre for Ancient, Medieval
and Renaissance Philosophy, Katholieke Universiteit Leuven (Belgium).

Recent Publications

Jacobi de Viterbio O.E.S.A. Quaestiones de divinis praedicamentis XXVIII-XXXII, ed.
Mark D. Gossiaux and Christopher D. Schabel. Leuven: Leuven University Press, 2024.

"Thomas Aquinas and the Origin of the Controversy concerning the Real Distinction
between Essence and Existence," in Summa metaphysicae ad mentem Sancti Thomae:
Essays in Honor of John F. Wippel, ed. Therese Scarpelli Cory and Gregory T. Doolan
(Washington, DC: The Catholic University of America Press, 2024), pp. 67-95.

"James of Viterbo on Seminal Reasons as inchoationes formarum." Vivarium 59 (2021),
pp. 52-78.

"James of Viterbo on Metaphysics," in A Companion to James of Viterbo, ed. Antoine
Côté and Martin Pickavé (Leiden: Brill, 2018), pp. 33-69.

Classes Taught
History of Medieval Philosophy
Philosophy of Thomas Aquinas
Philosophy and Religion in the Middle Ages
History of Ancient Philosophy
Practical Logic
Introduction to Symbolic Logic
The Philosophy of Duns Scotus

Areas of Expertise
Medieval Philosophy
Metaphysics