Colum Hourihane received his Phd. from the Courtauld Institute of Art, University of London in 1984 for study on the iconography of Gothic Irish art which was subsequently published as Gothic Art in Ireland, 1169-1550, Enduring Vitality (Yale University Press, 2003). After graduating he worked as deputy director of the Witt Index in the Courtauld Institute until 1997 when he took up his present post as director of the Index of Christian Art, Princeton University. He has published widely in the field of iconography and has edited over fifteen volumes. He has also written five monographs including The Dallye Cross, The Processional Cross in Late Medieval England (Society of Antiquaries of London, 2005) and the most recent Pontius Pilate, Anti-Semitism and the Passion in Medieval Art (Princeton University Press, 2009). His most recent work is the Grove Encyclopedia of Medieval Art and Architecture for Oxford University Press which will be available in October of this year. He sits on the committees of many organizations including Baptisteria Sacra, Visual Resources, CHArt (Computers and Art History Group of the University of London), Early Christian Art and RILMA. A Fellow of the Society of Antiquaries of London he is a past president of the International Center of Medieval Art in The Cloisters and The Delaware Valley Medievalist Association.