Maureen C. Miller is Professor of History at the University of California, Berkeley. She is the author of Clothing the Clergy: Virtue and Power in Medieval Europe, c. 800 1200, The Bishop's Palace: Architecture and Authority in Medieval Italy, and The Formation of a Medieval Church: Ecclesiastical Change in Verona, 950 1150, all from Cornell, and Power and the Holy in the Age of the Investiture Conflict: A Brief Documentary History.