Guibert of Nogent (c. 1060-c. 1125) was a French monk who has emerged as one of the most original thinkers of the twelfth century.
Joseph McAlhany is a professor of classics and great ideas at Carthage College in Kenosha, Wisconsin.
Jay Rubenstein, a MacArthur Fellow and Rhodes scholar, is a professor of history and the director of the Center for the Premodern World at the University of Southern California and the author of the first comprehensive study of Guibert's life and thought in over a century.