Prof. Bruce Marshall examines the fundamental Christian doctrine of the Incarnation, explaining how the New Testament and Catholic tradition affirm that Jesus is truly God in the flesh, as confessed by Thomas in the Gospel of John and articulated in the Nicene Creed and the Definition of Chalcedon.

This lecture was given on April 7th, 2025, at University of Tulsa.

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About the Speaker:

Bruce D. Marshall is Lehman Professor of Christian Doctrine at Southern Methodist University, and in 2023 he held the Aquinas Chair in the Thomistic Institute at the Angelicum in Rome.  He is the author of Trinity and Truth and Christology in Conflict, and at present he is completing a book entitled The Primacy of Christ: Faith, Reason, and the Cross.  Marshall has written extensively on the doctrines of the Trinity, the person and redemptive work of Christ, the Eucharist, the Catholic Church and non-Christian religions, and the relationship between faith and reason.  He received his B.A. from Northwestern University and his Ph.D. from Yale University, and is a past President of the Academy of Catholic Theology.

This project/publication was made possible through the support of Grant 63391 from the John Templeton Foundation. The opinions expressed in this publication are those of the author(s) and do not necessarily reflect the views of the John Templeton Foundation.

Keywords: Chalcedonian Definition, Christology, Gospel of John, Incarnation, St. Thomas the Apostle, Nicene Creed, Scripture