Roger Gomm, now retired, was lecturer in health and welfare at The Open University, UK. He has long experience of ethnographic research in both the United Kingdom and internationally, and of bespoke evaluation research. He has written several books, including Social Research Methodology (second edition, Palgrave Macmillan, 2008) and Key Concepts in Social Research Methods (Palgrave Macmillan, 2009). Martyn Hammersley is an emeritus professor of educational and social research at The Open University, UK. He has carried out research in the sociology of education and the sociology of the media. However, much of his work has been concerned with the methodological issues surrounding social enquiry. He has written several books including (with Paul Atkinson) Ethnography: Principles in Practice (fourth edition, Routledge, 2019), The Dilemma of Qualitative Method (Routledge, 1989), The Politics of Social Research (SAGE, 1995), Reading Ethnographic Research (second edition, Longman, 1997), Taking Sides in Social Research (Routledge, 2000), Educational Research, Policymaking and Practice, (London, Paul Chapman/SAGE, 2002), Questioning Qualitative Inquiry (SAGE, 2008), Methodology Who Needs It? (SAGE, 2011), The Myth of Research-Based Policy and Practice (SAGE, 2013), The Limits of Social Science (SAGE, 2014), and The Concept of Culture (Palgrave Macmillan, 2019). Website: http://martynhammersley.wordpress.com/
