Fr. Zachary Hayes, OFM

Zachary Hayes, OFM, was a Franciscan friar, theologian and teacher. He earned his PhD in theology at the Friedrich Wilhelm University in Bonn, Germany, and joined the faculty of Catholic Theological Union in Chicago in 1968. He also taught at St. Bonaventure University, the Divinity School of the University of Chicago, the Franciscan School of Theology in Berkeley and the University of Notre Dame.

Widely regarded as one of the leading interpreters of St. Bonaventure, he wrote and translated many books, including Saint Bonaventure’s Disputed Questions on the Mystery of the Trinity and The Hidden Center: Spirituality and Speculative Christology in St. Bonaventure.