Ralph McInerny is Michael P. Grace professor of medieval studies at Notre Dame University, where he heads the Jacques Maritain Center. He helped found Crisis and Catholic Dossier magazines, and he continues to write frequently for both. A specialist in the philosophy of St. Thomas Aquinas, he has written and edited 22 books about Thomistic and other medieval philosophies, including, most recently, "Thomas Aquinas" (Penguin Classics, 1998). In addition, he has written more than 60 novels, including the well-known Father Dowling mystery series. His latest Father Dowling book is "Grave Undertakings" (Minataur, 2000). He has also published several books on Catholic spiritual topics, including "What Went Wrong With Vatican II" (Sophia Institute Press, 1998).