God from God: Understanding the Trinity - Prof. Bruce Marshall

Prof. Bruce Marshall explores the Christian doctrine of the Trinity through the Nicene Creed, describing how the Father, Son, and Holy Spirit are distinct persons who share the one divine nature and showing how this confession grounds baptism, prayer, and the Eucharist.

This lecture was given on April 23rd, 2026, at University of Louisiana at Lafayette.

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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.

Keywords: Augustine, Baptism, Consubstantiality, Divine Persons, Eucharist, Holy Spirit, Jesus Christ, Nicene Creed, Thomas Aquinas, Trinity