Interview conducted by Professor Tilli Tansey, for the History of Modern Biomedicine Research Group, 18 May 2016, in the School of History, Queen Mary University of London. Transcribed by Mrs Debra Gee, and edited by Professor Tilli Tansey and Ms Caroline Overy. The project management and the technical support (filming and production) were undertaken by Mr Adam Wilkinson and Mr Alan Yabsley, respectively.