SCOTT MANDELBROTE is Fellow, Director of Studies in History, and Perne and Ward Librarian at Peterhouse, Cambridge. The Peterhouse partbooks fall under his care and he was responsible for the programme of conservation and research on the manuscripts that led to the publication of this volume. He has also supervised the complete recataloguing of Peterhouse's collections of rare books and manuscripts and the development of online resources in collaboration with the Digital Image Archive of Medieval Music and the Cambridge Digital Library. He is the editorial director of the Newton Project and has written or edited a dozen books on various aspects of early modern intellectual history.