Mike Aquilina is executive vice-president of the St. Paul Center for Biblical Theology. He is author or editor of more than twenty books on Catholic history, doctrine, and devotion. His titles include The Fathers of the Church, The Mass of the Early Christians, Signs and Mysteries: Revealing Ancient Christian Symbols, and The Resilient Church. With Scott Hahn, he has been co-host of eight series that air on the Eternal Word Television Network. Mike is past editor of New Covenant magazine and the Pittsburgh Catholic newspaper. He blogs at FathersOfTheChurch.com.