David Byrne is Emeritus Professor of Sociology and Applied Social Sciences at the University of Durham. He has published widely on the methodology of social research, for example, in Interpreting Quantitative Data (2002) and with Charles Ragin edited The SAGE Handbook of Case Based Methods (2009). His major theoretical engagement is with the deployment of the complexity frame of reference across the social sciences—see Complexity Theory and the Social Sciences: The State of the Art (with Gillian Callaghan, 2011) with a particular focus on application to policy and practice. His current research focus is on the implications of the transition to the post-industrial in welfare capitalism—Paying for the Welfare State in the 21st Century (with Sally Ruane, 2011) and Class After Industry (2018).Charles C. Ragin spent most of his youth in Texas and the southeastern United States. He attended the University of Texas at Austin as an undergraduate and received his BA degree in 1972 at the age of 19. That same year he began graduate work in sociology at the University of North Carolina at Chapel Hill and received his PhD in 1975. From 1975 until 2001, he lived in the Midwest, teaching first at Indiana University and then at Northwestern University. He headed west in 2001, where he spent just over a decade at University of Arizona-Tucson. In 2012, he joined the faculty at the University of California-Irvine, where he is currently the Chancellor′s Professor of Sociology. He is best known for developing a methodological alternative to conventional research methods, using formal set-theoretic techniques for comparative research. His many publications address broad issues in politics and society, with topics ranging from the causes of ethnic political mobilization to the shaping of the welfare state in advanced capitalist countries. He has written several books including Intersectional Inequality: Race, Class, Test Scores and Poverty (with Peer Fiss, 2017). Redesigning Social Inquiry: Fuzzy Sets and Beyond (2008) Fuzzy-Set Social Science (2000). His book The Comparative Method: Moving Beyond Qualitative and Quantitative Strategies (1987) won the 1989 Stein Rokkan Prize of the International Social Science Council of UNESCO. In 2014 he received the Paul F. Lazarsfeld Award of the American Sociological Association. He is married to Mary Driscoll, and they have two sons, Andrew and Daniel.
