Richard Cross is John A. O'Brien Professor of Philosophy at the University of Notre Dame, a position he has held since 2007. From 1993 to 2007, he was a Fellow of Oriel College, Oxford. He has written extensively on medieval philosophy, with a focus on Duns Scotus. He is currently writing a sequence of books on the metaphysics of Christology from 1050 to 1700.

JT Paasch teaches for the School of Continuing Studies at Georgetown University. He has published on topics in medieval philosophy and theology, and is the author of Divine Production in Late Medieval Trinitarian Theology (2012).