Milton Walsh holds a doctorate in Sacred Theology from the Gregorian University in Rome. For many years he taught theology at St. Patrick's Seminary in Menlo Park, California, and from 1989 to 1997 was pastor of St. Mary's Cathedral, San Francisco. He is the author of Second Friends: C.S. Lewis and Ronald Knox in Conversation and Ronald Knox as Apologist: Wit, Laughter, and the Popish Creed.