de Hamel, Christopher: - Christopher de Hamel is perhaps the best-known name world-wide in the field of medieval Manuscripts. He has written multiple books on manuscripts and book collecting, many of which have been translated into at least seven languages, and he has also lectured throughout the world. For nearly forty years he worked at Sothebys London in the Department of Western Manuscripts and later as a Consultant. Recently retired as Librarian of the Parker Library at Corpus Christi College in Cambridge, he is Fellow of the College, a Fellow of the Society of Antiquaries, and a member of the Roxburghe Club. In 2016 he published the best-selling book Meetings with Remarkable Manuscripts for which he was awarded the prestigious Wolfson History and Duff Cooper Prizes. James H. Marrow is Professor Emeritus of Art History, Princeton University, and Honorary Keeper of Illuminated Manuscripts, The Fitzwilliam Museum (Cambridge, England). He is author of many books and articles on late medieval art, with special attention to illuminated manuscripts from the Netherlands. Among his publications are Passion Iconography in Northern European Art of the Late Middle Ages and Early Renaissance: A Study of the Transformation of Sacred Metaphor into Descriptive Narrative (1979), and with Sandra Hindman, Books of Hours Reconsidered. Matthew J. Westerby holds a PhD from the University of Wisconsin-Madison. His area of specialization is Romanesque art of medieval Spain.