Martin Bulmer is Emeritus Professor of Sociology at the University of Surrey, UK. He is the author and editor of many books.

John Solomos is Professor of Sociology and Head of Department at the University of Warwick, UK. His most recent publications are Race, Multiculture and Social Policy (with Alice Bloch and Sarah Neal) and Theories of Race and Ethnic Relations: Contemporary Debates and Perspectives (with Karim Murji).