Born in New Hampshire, Father Reginald Lynch, O.P., entered the Dominican Province of St. Joseph in 2007, and was ordained a priest in 2013. After ordination, he served at St. Patrick Parish in Columbus, Ohio, and taught at the Pontifical College Josephinum, before going on to complete a PhD in theology at the University of Notre Dame, with a major concentration in medieval theology and minor concentrations in patristics and philosophical theology. He has written on a variety of topics in sacramental, dogmatic and historical theology in journals like The Thomist, Theological Studies, and Harvard Theological Review. His first book, The Cleansing of the Heart: The Sacraments as Instrumental Causes in the Thomistic Tradition (Washington, D.C.: The Catholic University of America Press, 2017) received the Charles Cardinal Journet Prize in 2018. He has also written Aquinas’s Summa Theologiae and Eucharistic Sacrifice in the Early Modern Period (Oxford: Oxford University Press, 2023), which focuses on the reception of Aquinas’ Eucharistic theology in the early modern period.