Stephen Rigby was educated at Sheffield and London universities. He has published widely on social theory, medieval English social and economic history, Middle English literature, and medieval political theory.
Alastair Minnis is currently the Douglas Tracy Smith Professor of English at Yale University. Formerly he taught at the Queen's University of Belfast, Bristol University, and the University of York. His research methodology brings together reading strategies from literary criticism and the history of ideas, and an interest in medieval philosophy and theology has informed much of his work. He is a Fellow of the English Association and of the Medieval Academy of America.