Dr. Thomas Osborne Dr. Thomas Osborne Tenured Professor of Philosophy; Chair, Philosophy

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Dr. Osborne’s research focuses on medieval, late scholastic, and contemporary philosophy. He is particularly concerned with the way in which philosophical concepts are changed and created historically. His research focuses on Ethical Theory, Moral Psychology, Ethics, and Metaphysics. He also has related interests in Philosophy of Religion and Political Philosophy.

Areas of Expertise
Thomas Aquinas, Philosophy, Natural Law, Theoretical Ethics


  • Doctor of Philosophy - Philosophy (PHD) - DUKE UNIVERSITY (2001)
  • Master of Arts - Philosophy (MA) - Boston College (1995)
  • Bachelor of Arts - Philosophy (BA) - The Catholic University of America (1994)


  • "Human Action in Thomas Aquinas, John Duns Scotus, and William of Ockham"
    The Catholic University of America Press (2014)
  • "Giles of Rome, Henry of Ghent, and Godfrey of Fontaines on Whether to See God Is to Love Him"
    Recherches de Théologie et Philosophie médiévales (1900) Vol. 80 Page 57-76
  • "William of Ockham on the Freedom of the Will and Happiness."
    American Catholic Philosophical Quarterly (1900) Vol. 86 Page 435-456
  • "Practical Reasoning"
    The Oxford Handbook of Aquinas, ed. Brian Davies and Eleanore Stump
    Book Chapter
    Oxford University Press (1900) Page 276-286
  • "Thomas Aquinas and John Duns Scotus on Individual Acts and the Ultimate End."
    Philosophy and Theology in the Long Middle Ages: A Tribute to Stephen F.Brown
    Book Chapter
    Brill (1900) Page 351-374
  • "Thomas and Scotus on Prudence without All the Major Virtues: Imperfect or Merely Partial?"
    The Thomist (1900) Vol. 74 Page 1-24
  • "Unbelief and Sin in Thomas Aquinas and the Thomistic Tradition."
    Nova et Vetera, English Edition (1900) Vol. 8 Page 613-626
  • "MacIntyre, Thomism and the Contemporary Common Good."
    Analyse & Kritik (1900) Vol. 30 Page 382-397
  • "The Threefold Referral of Acts to the Ultimate End in Thomas Aquinas and His Commentators"
    Angelicum (1900) Vol. 85 Page 715-736
  • "Augustine and Aquinas on Foreknowledge through Causes."
    Nova et Vetera, English Edition (1900) Vol. 6 Page 219-232
  • "The Separation of the Interior and Exterior Act in Scotus and Ockham."
    Mediaeval Studies (1900) Vol. 69 Page 111-139
  • ""Continuity and Innovation in Dominic Banez’s Understanding of Esse: Banez’s relationship to John Capreolus, Paul Soncinas, and Thomas de Vio Cajetan.""
    The Thomist
    (1900) Vol. 77 Page 367-394


  • "The Ethics of James of Viterbo" (2013)
    The Philosophy of James of Viterbo, An International Workshop
  • "Giles of Rome, Henry of Ghent, and Godfrey of Fontaines on Whether to See God Is to Love Him" (2012)
    13th International Congress of Medieval Philosophy.
  • "Aquinas on the Will's Self-Motion" (2011)
    46th International Congress of Medieval Studies
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