Vernon W. Cisney is a visiting assistant professor of philosophy at Gettysburg College. He is the author of Derrida's Voice and Phenomenon: An Edinburgh Philosophical Guide, as well as coeditor or cotranslator of several other books.Nicolae Morar is assistant professor of philosophy and environmental studies and an associate member with the Institute of Ecology and Evolution at the University of Oregon. He is coeditor or co-translator of several books, including Perspectives in Bioethics, Science and Public Policy.