Charles Burnett, FBA, is Professor of Arabic/Islamic Influences in Europe at the Warburg Institute, University of London. His research has concentrated on the translations of Arabic texts into Latin in the Middle Ages, in the fields of philosophy, science, religion, and magic. Among his publications are The Introduction of Arabic Learning into England (1997), Arabic into Latin in the Middle Ages: The Translators and their Intellectual and Social Context (2009), Numerals and Arithmetic in the Middle Ages (2010), and The Great Introduction to Astrology by Abu Ma'sar (with Keiji Yamamoto and David Pingree, 2019).

James P. Carley, FRSC, is a Distinguished Research Fellow Emeritus at York University, Toronto, and a Fellow at the Pontifical Institute of Mediaeval Studies, Toronto. He has published extensively on Glastonbury abbey, on the Arthurian legends, and on the foundation of Lambeth Palace Library. His edition of The Libraries of King Henry VIII was published in 2000. His edition and translation of John Leland's De uiris illustribus, assisted by Caroline Brett, was published in 2010.