Michael Johnston earned a BA in English and Religious Studies from John Carroll University in 2000, a M.Litt. in Mediaeval English from the University of St Andrews in 2002, and a PhD from Ohio State University in 2007. He is Associate Professor of English at Purdue University and he researches and teaches about literature and culture in late medieval England, with a specialization in the history of the book and Piers Plowman.