Benedict M. Ashley, O.P., is the author of more than nineteen books and numerous articles; his Way toward Wisdom (University of Notre Dame Press, 2006) in particular provides an overview of the Neothomistic development launched by Pope Leo XIII in 1869. Fr. Ashley served as a Consultant for the National Catholic Bishops Conference, 1965–2000. He has been a consultant and teacher at many institutions, including the John Paul II Cultural Center in Washington, D.C.

John Deely is the author of twenty-three books and several hundred articles, and has co-authored and edited some thirty-four volumes. In October of 2009 Deely received both the “Aquinas Medal for Excellence in Christian Philosophy” from the International Gilson Society, and the “Scholarly Excellence Award of the American Maritain Association.” In 2001 he published Four Ages of Understanding: The first postmodern survey of philosophy from ancient times to the turn of the 21th century (University of Toronto Press), and most recently Medieval Philosophy Redefined (University of Scranton Press).