Douglas Flippen, Ph.D.


Department of Philosophy

Contact Information:

Douglas W. Flippen, Ph.D.
134 Christendom Dr.
Front Royal, VA 22630

LinkedIn Page


B.A., University of St. Thomas, Houston, Philosophy with a minor in mathematics
M.A., University of Toronto, Medieval Studies, concentration in philosophy
L.M.S., Pontifical Institute of Mediaeval Studies, Philosophy
Ph.D., University of Toronto, Philosophy

Classes Taught

  • Historical Introduction to Philosophy
  • Greek Philosophy
  • Medieval Philosophy
  • Modern Philosophy
  • Contemporary Philosophy
  • Aristotle, St. Augustine
  • Later Medieval Epistemology (graduate)
  • Analytic Philosophy
  • Senior Seminar on Linguistic Philosophy
  • The Thought of Pope Saint John Paul II
  • The Ethics of Dietrich von Hildebrand
  • John Dewey
  • Development of Husserl’s Thoughts
  • The Ethics of John Paul II
  • Development of Natural Law
  • Plato
  • Systematic Introduction to Philosophy
  • Formal Logic (Aristotelian)
  • Critical Thinking (Wittgensteinian)
  • Philosophy of Man
  • Philosophy of Nature (graduate)
  • Ethics, Metaphysics
  • Epistemology
  • Philosophy of God
  • Social and Political Theory
  • Near Death Out of the Body Experiences (Elderhostel)
  • The Will and the Virtues (Thomas)
  • Philosophy of Education
  • Aesthetics
  • Philosophy of Psychology


Hiking, reading, alternative medicine

Areas of Expertise

History of Philosophy, Metaphysics, Epistemology, Natural law

Selected Scholarship

“A Problem Concerning Relation in Sensation,” Atti del Congresso Internazionale: Tommaso d’Aquino nel suo settimo Centenario, 9 (1974-78): 307-14 (Naples)

“Immanence and Transcendence in Human Knowledge: the Illumination of a Problem in St. Thomas,” New Scholasticism 53 (1979): 324-46

“Intentionality and the Concept in Jacques Maritain, or, The Complexity of Maritain’s Doctrine of the Concept. Criticism of Father Roland-Gosselin,” in Jacques Maritain: philosophe dans la cite/A Philosopher in the World, University of Ottawa Press, 1985: 93-102

“On Two Meanings of Good and the Foundations of Ethics in Aristotle and St. Thomas,” Proceedings of the American Catholic Philosophical Association, 1984: 56-74

“In and Out of Idealism,” Proceedings of the ACPA, 1985, 340-47

“Natural Law and Natural Inclinations,” New Scholasticism 60 (1986) 284-316

Review of Josef Pieper’s Guide to Thomas AquinasFaith and Reason 18 (1992): 215-22


Christendom College admits students of any race, color, national and ethnic origin to all the rights, privileges, programs, and activities generally accorded or made available to students at the school. It does not discriminate on the basis of race, color, national and ethnic origin in administration of its educational policies, admissions policies, scholarship and loan programs, and athletic and other school-administered programs.
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