Allan Metcalf

Allan Metcalf is Professor of English at MacMurray College, former executive secretary of the American Dialect Society, and a forensic linguist. He is the author of OK: The Improbable Story of America's Greatest Word and The Life of Guy: Guy Fawkes, the Gunpowder Plot, and the Unlikely History of an Indispensable Word, as well as six other books on language.