Jean-Luc Marion is Professor Emeritus of Philosophy at the University of Paris–Sorbonne Paris IV, Dominique Dubarle Professor of Philosophy at the Institut catholique de Paris, Andrew T. Greely and Grace McNichols Greeley Professor of Catholic Studies at the University of Chicago Divinity School, and a member of the Academie française.Stephen E. Lewis is Associate Professor of English at the Franciscan University of Steubenville.

"... [Marion] is one of the most provocative thinkers working on the boundaries of philosophy and theology today...[Prolegomena to Charity] represents such a theological work-rich, insightful, and constructively traversing 'phenomenology as well as the most straightforwardly Christological theology.'"-Choice -Choice