Clive Emsley was educated at the University of York and at Peterhouse, Cambridge, and has taught and held visiting fellowships in Australia, Canada, France, and New Zealand. He has published widely on the history of crime and policing, including Crime and Society in England 1750-1900 (now in its fourth edition), Crime and Society in Twentieth-Century England and The Great British Bobby: A History of British Policing from the 18th Century to the Present. He was president of the International Association for the History of Crime and Criminal Justice for ten years.