The late Derek Pearsall was Emeritus Gurney Professor of Middle English Literature at Harvard University; he wrote extensively on Chaucer, Gower, Langland and Lydgate, including biographies of Chaucer and Lydgate, an edition of the C-text of Langland's Piers Plowman. JOHN SCATTERGOOD is Professor (Emeritus) of Medieval and Renaissance English at Trinity College, Dublin. SUSANNA FEIN is Professor Emerita of English at Kent State University.