André Vauchez is the former director of the French School in Rome and member of the Academy of Inscriptions and Letters, master of studies at the French National Centre for Scientific Research, and professor of medieval history at the University of Rouen (1980-1982) and at the University of Paris X Nanterre (1983-1995). He was awarded the Balzan Prize for Medieval History in 2013.

Daniel E. Bornstein is professor of history and religious studies and Stella K. Darrow Professor of Catholic Studies, Washington University, St. Louis, Missouri.

Margery J. Schneider is the translator of The End of the Past: Ancient Rome and the Modern West and Women and Religion in Medieval and Renaissance Italy.