Nigel Fielding, BA (Sussex) MA (Kent) PhD (LSE), is Emeritus Professor of Sociology at the University of Surrey, a Fellow of the Academy of Social Sciences, and a member of the Community of Experts of the European Science Foundation, and served on the Mixed Methods Research Association’s presidential task force on the future of mixed methods. His interests in research methodology include mixed methods, socio-spatial methods, qualitative software, interview methods, field observation, and digitally-mediated fieldwork. Nigel has authored/edited 27 books, many in research methodology, including The SAGE Handbook of Online Research Methods, Sage, 2018 (second edition), with Grant Blank and Ray Lee. Raymond M. Lee is an Emeritus Professor of Social Research Methods at Royal Holloway University of London. He has written extensively about a range of methodological topics. These include the problems and issues involved in research on “sensitive” topics, research in physically dangerous environments, the use of unobtrusive measures, and the role of new technologies in the research process. His current research focuses on the historical development of interviewing techniques.