Zachary Hayes OFM,  was a Friar of OFM Province of Sacred Heart, St. Louis MO. As professor of historical and systematic theology.  Zachary was a vital force in the mission of Catholic Theological Union Chicago, IL since its founding in 1968.  An internationally acclaimed Bonaventurian scholar, Zachary had a special interest in the critical Interaction between science and theology.  He has published over 18 books with countless articles and presentations stewarding the Franciscan Wisdom Tradition for our Church and time.