Andreas-Holger Maehle is Reader in History of Medicine at the University of Durham, England. He was trained as a doctor in Bonn and as a medical historian in Göttingen and London. He has published books on the toxicology of Johann Jakob Wepfer (1620-95) and on the origins of the vivisection debate in the seventeenth and eighteenth centuries. His current research deals with the history of medical professional ethics in Germany and Britain.