William J. Courtenay is the Charles Homer Haskins Professor Emeritus of Medieval History at the University of Wisconsin-Madison.

G. W. F. Hegel (1770-1831) is one of the most significant thinkers in the history of philosophy. He is the author of several influential works, including The Science of Logic.

Graham James McAleer is professor of philosophy at Loyola University Maryland and the author of a number of books, including Erich Przywara and Postmodern Natural Law: A History of the Metaphysics of Morals (University of Notre Dame Press, 2019).