Daniel De Haan

Research Fellow

Academic Summary

  • PhD, Institute of Philosophy, KU Leuven, Belgium, 2015
  • PhD, Center for Thomistic Studies, University of St Thomas, 2014
  • MA, Center for Thomistic Studies, University of St Thomas, 2010
  • BA, Belmont University, 2007

Dr. Daniel De Haan is a Research Fellow of the Ian Ramsey Centre for Science and Religion at the Faculty of Theology and Religion, University of Oxford. He is the principal investigator for the Conceptual Clarity Concerning Human Nature project sponsored by the Templeton World Charity Foundation and hosted by the Ian Ramsey Centre. He is also working on the Renewal of Natural Theology project directed by Professor Alister McGrath.


Before coming to Oxford, De Haan was a postdoctoral fellow in the Faculty of Divinity at the University of Cambridge working on the neuroscience strand of the Templeton World Charity Foundation Fellowships in Theology, Philosophy of Religion, and the Sciences Project, directed by Sarah Coakley. During this postdoctoral fellowship, he conducted research on the intersections of theology, philosophy, and neuroscience in Lisa Saksida’s Translational Cognitive Neuroscience Laboratory in the Department of Psychology, University of Cambridge.

Research Interests

  • Philosophical anthropology
  • Philosophy of neuroscience and psychology
  • Medieval philosophy
  • Natural theology
  • Philosophy of Religion


  • Faculty of Theology and Religion (Oxford)
  • Aquinas Institute, Blackfriars (Oxford)
  • Canterbury Institute (Oxford)
  • Von Hügel Institute for Critical Catholic Inquiry, St Edmund’s College (Cambridge)
  • American Catholic Philosophical Association


  • Necessary Existence and the Doctrine of Being in Avicenna’s Metaphysics of the Healing (Brill’s Investigating Medieval Philosophy series, 2020) https://doi.org/10.1163/9789004434523
  • “The Unexamined Life is Not Worth Living: Examination of Conscience and Philosophy as a Way of Life” in Philosophy and the Spiritual Life, ed. Victoria Harrison & Tyler McNabb (Routledge, British Society for the Philosophy of Religion Series, 2020)
  • Co-authored with Brandon Dahm, “Thomas Aquinas on Separated Souls as Incomplete Human Persons” The Thomist (2020)
  • “Is Philosophy of Nature Irrelevant?” Proceedings of the American Catholic Philosophical Association (2020)
  • Co-authored with Brandon Dahm, “After Corruptionism and Survivalism: Incomplete Persons” Quaestiones Disputatae (2020)
  • “Beauty and Aesthetic Perception in Thomas Aquinas” in Beauty and the Good: Recovering the Classical Tradition From Plato to Duns Scotus, ed. Alice Ramos (CUA Press, 2020), ch. 13, 288–318.
  • “Philosophical Hazards in the Neuroscience of Religion,” in The Neurology of Religion, ed. Alasdair Coles & Joanna Collicutt (Cambridge University Press, 2019): 48-70
  • “Aquinas on Sensing, Perceiving, Thinking, Understanding, and Knowing Individuals” in Medieval Perceptual Puzzles: Theories of Sense-Perception in the 13th and 14th Centuries, ed. Elena Baltuta (Brill, Investigating Medieval Philosophy Series, 2019) ch. 9, 238–268
  • “Approaching Other Animals with Caution: Exploring Insights from Aquinas’s Psychology” New Blackfriars 100 (2019): 715-737
  • “McGilchrist’s Hemispheric Homunculi” Religion Brain & Behavior 9:4 (2019): 368-379
  • “Aquinas on actus essendi and the Second Mode of Participation” The Thomist 82 (2018): 573-609
  • “The Interaction of Noetic and Psychosomatic Operations in a Thomist Hylomorphic Personalism” Scientia et Fides (2018)
  • “Avicenna’s Healing and the Metaphysics of Truth” Journal of the History of Philosophy 56, 1 (2018): 17-44
  • Co-Authored with Robert Turner, “Bridging the Gap between System and Cell: The Role of Ultra-High Field MRI in Human Neuroscience,” Progress in Brain Research, 233 (2017): 179-220.
  • “Hylomorphism, New Mechanisms, and Explanations in Biology, Neuroscience, and Psychology” in Neo-Aristotelian Perspectives on Contemporary Science, eds. William M.R. Simpson, Robert C. Koons, Nicholas J. Teh (Routledge, 2017), 293–326.
  • “Hylomorphic Animalism, Emergentism, and the Challenge of New Mechanisms in Neuroscience” Scientia et Fides 5 (2) /2017, 9–38.
  • “Where does Avicenna Demonstrate the Existence of God?” Arabic Sciences and Philosophy, vol. 26 (2016): 1–32
  • “The Doctrine of the Analogy of Being in Avicenna’s Metaphysics of the Healing” The Review of Metaphysics, 69 (2015): 261–86
  • “Delectatio, Gaudium, Fruitio: Three Kinds of Pleasure for Three Kinds of Knowledge in Thomas Aquinas” Quaestio: Journal of the History of Metaphysics, 15 (2015): 543- 552
  • “Harmonizing Faith and Knowledge of God’s Existence in St. Thomas” in Faith, Hope and Love: Thomas Aquinas on Living by the Theological Virtues (Thomas Instituut Utrecht, 16) eds. H. Goris, L. Hendriks & H.J.M. Schoot (Leuven: Peeters, 2015), 137–160
  • “Perception and the Vis Cogitativa: A Thomistic Analysis of Aspectual, Actional, and Affectional Percepts” American Catholic Philosophical Quarterly 88, 3 (2014): 397–437
  • “Moral Perception and the Function of the Vis Cogitativa in Thomas Aquinas’s Doctrine of Antecedent and Consequent Passions” Documenti e studi sulla Tradizione filosofica medievale 25 (2014): 287–328
  • “A Mereological Construal of the Primary Notions Being and Thing in Avicenna and Aquinas” American Catholic Philosophical Quarterly, Special Issue: Aquinas and the Arabic Philosophical Tradition, Richard Taylor ed., 88, 2 (2014): 335-360
  • “Simon and Maritain on the Vocation of Species in Medio” in Redeeming Philosophy: From Metaphysics to Aesthetics, ed. John J. Conley S.J. (Washington, D.C.: American Maritain Association, Distributed by the Catholic University of America Press, 2014), 54–82.
  • Co-authored with Geoffrey A. Meadows, “Aristotle and the Philosophical Foundations of Neuroscience” Proceedings of the American Catholic Philosophical Association: Aristotle Now and Then, Vol. 87 (2013): 213-230
  • “Why the Five Ways? Aquinas’s Avicennian Solution to the Problem of Unity in the Aristotelian Metaphysics and Sacra Doctrina” Proceedings of the American Catholic Philosophical Association: Philosophy in the Abrahamic Traditions, Vol. 86 (2012): 141-158.
  • “Thomistic Hylomorphism, Self-Determination, Neuroplasticity, and Grace: The Case of Addiction” Proceedings of the American Catholic Philosophical Association: Science, Reason, and Religion, Vol. 85 (2011): 99-120.
  • “Linguistic Apprehension as Incidental Sensation in Thomas Aquinas” Proceedings of the American Catholic Philosophical Association: Philosophy and Language, Vol. 84 (2010): 179-196.