Donald S. Prudlo, Ph.D. (2004, University of Virginia) holds the Warren Chair of Catholic Studies at the University of Tulsa. His research focuses on medieval religious history and thought, on saints and sainthood, and on the Dominican order. He is the author of Thomas Aquinas: A Historical, Theological, and Environmental Portrait (2020), Certain Sainthood (2015), and The Martyred Inquisitor (2009).