Where Heaven and Earth Meet: Essays on Medieval Europe in Honor of Daniel F. Callahan

Michael Frassetto (Ph.D. University of Delaware) is Adjunct Professor of history at the University of Delaware. He is an expert on medieval religion, heresy, and anti-Judaism/anti-Semitism and is the author of The Great Medieval Heretics: Five Centuries of Religious Dissent (Bluebridge, 2010). Matthew Gabriele (Ph.D. University of California, Berkeley) is an Associate Professor in the Department of Religion and Culture at Virginia Tech. He graduated from UD with a Honors BA in 1997, mentored by Daniel F. Callahan.is the author of An Empire of Memory: The Legend of Charlemagne, the Franks, and Jerusalem before the First Crusade (OUP, 2011). John D. Hosler (Ph.D. University of Delaware) is Associate Professor of History at Morgan State University. A specialist on high medieval military history, he is the author of John of Salisbury: Military Authority of the Twelfth-Century Renaissance (Brill, 2013).