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Research Interests

Yiftach Fehige is a Canadian philosopher and theologian of German origin. In 2004 he earned a Ph.D. in logic and philosophy of science at the University of Mainz, Germany. While holding a post-doctoral appointment at the University of Toronto, he was awarded a tenure-track position designated for “Christianity and Science” at the Institute for the History and Philosophy of Science and Technology. His scholarship merited conferral of tenure in 2012. The year before that he obtained a second Ph.D. in systematic theology at the University of Tübingen, Germany. His interdisciplinary research received support from the Alexander von Humboldt Foundation, the Coburn Trust Faculty Exchange Fund, the Deutsche Forschungsgemeinschaft, the German Academic Exchange Service, the Social Sciences and Humanities Research Council of Canada, the Spooner Traveling Grant, and the University of Notre Dame’s Centre for Philosophy of Religion. In 2015 he was elected Fellow of the International Society for Science and Religion in recognition of his work on thought experiments and human sexuality.

Selected Publications

“The Annus Mirabilis of 1986: Thought Experiments & Scientific Pluralism.” HOPOS:  The Journal of the International Society for the History of Philosophy of Science (accepted).

“Atheism vs. Atheism in the Encounter between Science and Religion: A Post-Metaphysical Exploration.” Philosophy, Theology, and the Sciences 6 (2019): 183-210.

Thought Experiments and Religion.” In: Oxford Research Encyclopedia of Religion [2017ff]

“Super Miracles & the Supreme Rationality of the Christian Faith.” Toronto Journal of Theology (2017): 39-61.

“The Role of the Imagination in Transsexual Crossing.” In: Transsexuality in Theology and Neuroscience, ed. by Gerhard Schreiber, pp. 577-595. Berlin; New York: de Gruyter, 2016.

“Intellectual Tennis without a Net? Thought Experiments and Theology.” Theology and Science 12 (2014): 377-394.

“The Relativized A Priori and the Laboratory of the Mind: Towards a Neo-Kantian Account of Thought Experiments in Science.” Epistemologia: Italian Journal for Philosophy of Science 36 (2013): 55-73.

“Towards a Theology of Sexual Diversity: A Tightrope Walk between Christianity and Science.” Zygon: Journal of Religion and Science 48 (2013): 35-59.

(with James R. Brown) “Thought Experiments.” In: Stanford Encyclopedia of Philosophy [2010ff.]


Geordie McComb (Advisor, Department of Philosophy). “Thought Experiments, Literature, and Wittgenstein,” in progress.

Dr. Adam Richter (Supervisor). “The Theology of John Wallis,” Conferred November 24, 2017.

Dr. Paul Greenham (Supervisor). Title of Dissertation: “A Concord of Alchemy with Theology: Isaac Newton’s Hermeneutics of the Symbolic Texts of Chymistry and Biblical Prophecy,” Conferred July 22, 2015.

Dr. Mike Stuart (Supervisor). Title of Dissertation: “Thought Experiments in Science,” Conferred March 23, 2015.


Contact Information

  • Personal Title: Associate Professor
  • Location: VC 320
  • Telephone number: +1 (416) 946-5024
  • E-mail address: yiftach.fehige@utoronto.ca