Bill Ashcroft is Professor of English at the University of New South Wales, Gareth Griffiths is Professor of English at the University of Western Australia and Helen Tiffin is Professor of English at Queen's University, Ontario. They have each published widely in the field of post-colonial studies and are joint authors of the highly influential The Empire Writes Back: Theory and Practice in Post-Colonial Literatures (Routledge, 1989; second edition 2002) and Key Concepts in Post-Colonial Studies (Routledge, 1998).