John Duffy is professor of English at the University of Notre Dame. He has published on the ethics of writing, the rhetoric of disability, and the historical development of literacy and rhetoric in cross-cultural contexts. His books include the edited collections After Plato and Literacy, Economy, and Power, and he is the author of Provocations of Virtue and Writing from These Roots, awarded the 2009 Outstanding Book Award by the Conference on College Composition and Communication. Duffy is a recipient of a National Endowment for the Humanities Fellowship and the Rev. Edmund P. Joyce, C.S.C., Award for Excellence in Undergraduate Teaching.