Heidi J. Hornik is Professor of Art History and Mikeal Parsons is Professor of Religion, both at Baylor University in Waco, Texas. They are co-authors of Interpreting Christian Art (Mercer University Press, 2004) and Illuminating Luke, Volume 1: The Infancy Narrative in Italian Renaissance Painting and Illuminating Luke, Volume 2: The Public Ministry of Christ in Italian Renaissance and Baroque Painting (both Continuum, 2003 and 2005).