CHARLOTTE ROBERTS is a Professor of Archaeology and director of the MSc Palaeopathology in the Department of Archaeology, at Durham University. She has authored/co-authored over 100 scientific papers, and books, including Introduction to forensic archaeology (1996), Burial archaeology: Current research, methods and developments (1989), The Past and Present of Leprosy (2002), Health and disease in Britain: From prehistory to the present day (2003), The bioarchaeology of tuberculosis: A global perspective on a reemerging disease (2003), and Human remains: A Handbook (2009). KEITH MANCHESTER is a General Practitioner in Bradford, and Visiting Lecturer in the Department of Archaeological Sciences, University of Bradford where the human remains laboratory in the Biological Anthropology Research Centre is named after him. He has published over 50 papers on palaeopathology, co-edited The Past and Present of Leprosy (2002), and contributed significantly to debates about the recognition of, and antiquity of, leprosy and tuberculosis.