David Raizman is a professor in the Department of Visual Studies at Drexel University in Philadelphia. He has published several studies in journals and books focusing on the art and architecture of Spain in the later twelfth and early thirteenth centuries for the journal Gesta. Professor Raizman is also the author of Objects, Audiences, and Literatures: Alternative Narratives in the History of Design, co-edited with Carma Gorman published by Cambridge Scholars Publishing (UK).