Dieter Schönecker is Professor of Philosophy at Universität Siegen.Allen W. Wood is Ruth Normal Halls Professor at Indiana University, Bloomington, and Ward W. and Priscilla B. Woods Professor, Emeritus, at Stanford University.
Robert B. Pippin is the Evelyn Stefansson Nef Distinguished Service Professor in the John U. Nef Committee on Social Thought, the Department of Philosophy, and the College at the University of Chicago. He is the author or editor of many books.