Glenn W. Olsen is Professor Emeritus of History at the University of Utah. He has taught at Seattle University, Fordham University, and has been visiting professor at St. John's University, the University of Notre Dame, Vilnius University, and Franciscan University in Austria. He is the editor of "Christian Marriage: A Historical Study" (2001), the author of "Beginning at Jerusalem: Five Reflections on the History of the Church" (2004) and, most recently, "The Turn to Transcendence: The Role of Religion in the Twenty-First Century" (2010), as well as numerous articles in medieval intellectual history. He has also published in patristics, the history of law, the history of sexuality, church history, and on many modern topics in philosophy, theology, political thought, and cultural criticism.