Willibald Sauerländer has been a professor at the University of Freiburg; a director of the Central Institute for Art History in Munich; a visiting professor at the Collège de France, Paris, Harvard University, New York University, the Scuola Normale Superiore, Pisa, and the University of California, Berkeley; and was a Mellon Lecturer at the National Gallery of Art, Washington, D.C. His books include Gothic Sculpture in France, 1140–1270 (H. N. Abrams, 1973), Cathedrals and Sculpture (Pindar Press, 1999), and Romanesque Art: Problems and Monuments (Pindar Press, 2004). David Dollenmayer is a literary translator and emeritus professor of German at the Worcester Polytechnic Institute in Worcester, Massachusetts.