Isabella Aurora, Ph.D. (2001), is Head of the Historical Archives of the Vatican Library. She is the author of a monograph on medieval papal documents and of several articles on the relations between the Papal Curia and ecclesiastical and lay institutions during Medieval and Early Modern periods.

Giovan Battista Fidanza, Ph.D. (2002), is Professor of Early Modern Art History at the University of Rome Tor Vergata. He is the author of two monographs and numerous articles on 17th century art patronage in the Papal States published in leading international journals.