The Work of Our Redemption Is Accomplished: Thomas Aquinas and the Sacrifice of the Mass - Fr. Innocent Smith, O.P.

Fr. Innocent Smith, O.P., examines Thomas Aquinas’s teaching on the Mass as the sacramental representation of Christ’s once-for-all sacrifice, drawing on medieval liturgical texts, sacred images, and Eucharistic prayer to show how believers share in the fruits of redemption.

This lecture was given on March 6th, 2026, at University of California, Berkeley.

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About the Speaker:

Innocent Smith, O.P., is Assistant Professor of Theology at the University of Notre Dame. After undergraduate studies in music and philosophy at Notre Dame, he entered the Order of Preachers in 2008 and was ordained priest in 2015. Fr. Innocent served in parish ministry for several years before completing a doctorate in liturgical studies at the University of Regensburg in 2021. After teaching for several years in Baltimore and Washington, DC, he joined the Department of Theology in 2025. His research focuses on the material and musical aspects of medieval liturgical books as well as the relationship between liturgy and theology. His monograph Bible Missals and the Medieval Dominican Liturgy explores medieval manuscripts of the Bible that also contain liturgical texts for the celebration of Mass.

Keywords: Christ’s Passion, Corpus Christi, Eucharistic Sacrifice, Liturgy, Mass, Medieval Manuscripts, Redemption, Sacrifice Of The Mass, St. Thomas Aquinas, Vatican II