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Dr. Long received his B.A. and M.A. in Philosophy from the University of Toledo, his Ph.D. in Philosophy from the Catholic University of America and is an Ordinarius at the Pontifical Academy of St.Thomas Aquinas (at the Vatican). He is a theologian and philosopher who has been teaching with distinction at �鶹��ý����� for over 18 years. He is an authority on the teaching of St. Thomas Aquinas. He studies fundamental and systematic theology, metaphysics, natural law and ethics. He is particularly interested in the theology of grace, freedom, and law, and the historico-doctrinal disputes about this within Catholic theology and philosophy; natural law and moral theology, where he has defended classical Thomistic natural law; and metaphysics. He is an internationally honored author who has published three major theological and philosophic books (and co-edited two other works) that have been acclaimed by scholars around the world, and over 60 peer-reviewed scholarly essays.

Prof. Long forms PhD students, teaching them in seminar, and directs major dissertation works in theology. He is invited constantly around the world and in the United States to speak, publishes widely, and has a very full teaching schedule of undergraduate, Masters level students, and PhD students. He attracts students from all around the world to study at �鶹��ý�����. Because of the extent of his work, he has not been able to turn to further major book projects, which he hopes he may yet turn to while he  retains the energy to work on them for the common good of the Catholic tradition. He is an ardent devotee of the Dominican and Thomistic maxim to “contemplate and share the fruits of contemplation.”

Selected Publications and Presentations:

• Analogia Entis: On the Analogy of Being, Metaphysics, and the Act of Faith, University of Notre Dame Press
• Natura Pura: On the Recovery of Nature in the Doctrine of Grace, Fordham University Press
• The Teleological Grammar of the Moral Act, Sapientia Press of �鶹��ý�����
• “Aquinas, Scripture, and the Divine Transcendence,” in Thomas Aquinas: Biblical Theologian, ed. Roger Nutt and Michael Dauphinais (Steubenville, Ohio: Emmaus Academic, 2021).
• “Aquinas, the Analogy of Being, and the Analogy of Transferred Proportion” in The Discovery of Being and Thomas Aquinas (Catholic University of America Press, 2019), ed. Christopher Cullen & Franklin Harkins , pp. 173-192.
• "God, Teleology, and the Natural Law," Chapter One, published in Natural Law Today, ed. Christopher Wolfe & Stephen Brust, The Rowman & Littlefield Publishing Group, Inc., Lexington Books, 2018.
• “Response to Eleonore Stump’s ‘Union and Indwelling,’” published in Nova et Vetera, English edition, Volume 17, Number 2, Spring 2019, pp. 363-372.
• "The Doctrine of God and the Analogy of Being," published in Nova et Vetera, English language ed., Fall 2019 (Vol. 17, No. 4). pp. 1079-1096.
• “Thomas Aquinas, Jansenism, and Calvinism: ‘Efficacious’ vs. ‘Irresistable’ Grace” in San Tommaso e la salvezza Doctor Communis, Pontificia Academia Sancti Thomae Aquinatis, ed. Serge-Thomas Bonino and Guido Mazzotta (Vatican City: Urbaniana University Press, 2020) pp. 77-96.