Etienne Gilson (1884–1978), eminent historian of medieval philosophy and theology, was co-founder, with Father Henry Carr, CSB, of the Pontifical Institute of Mediaeval Studies. William J. Courtenay is Hilldale Professor Emeritus and C.H. Haskins Professor Emeritus in the Department of History at the University of Wisconsin-Madison. James K. Farge is Fellow of the Institute and Curator of the Etienne Gilson Collection in the Institute Library.