Constantin Fasolt is a historian of medieval and early modern Europe with a special interest in philosophy and historical thought. From 1972–75 he studied philosophy at the universities of Bonn and Heidelberg. He obtained his PhD in medieval history from Columbia University in 1981. From 1981–1983 he was a member of the Society of Fellows in the Humanities at Columbia University. Since 1983 he has served on the faculty of the Department of History at the University of Chicago, from 2005–2008 as Associate Dean of the College. He received fellowships from the Mellon Foundation, the National Humanities Center, the Guggenheim Foundation, and the Woodrow Wilson Center, and he was a visiting professor at the University of Virginia in Charlottesville and the University of Notre Dame. His books are Council and Hierarchy: The Political Thought of William Durant the Younger (Cambridge University Press, 1991), The Limits of History (University of Chicago Press, 2004), and Past Sense: Studies in Medieval and Early Modern European History (Brill Publishers, 2014). He retired from active service in 2017.