Sharon Kinoshita is Professor of Literature at the University of California, Santa Cruz. She is Co-Director of the UCSC Center for Mediterranean Studies, and Co-Director of the UC Multicampus Research Project in Mediterranean Studies. Her publications include Medieval Boundaries: Rethinking Difference in Old French Literature (2006).

Peregrine Horden is Professor of Medieval History at Royal Holloway, University of London. He is co-author, with Nicholas Purcell, of The Corrupting Sea (2000), and author of Hospitals and Healing from Antiquity to the Later Middle Ages (2008).