Rupert Brown is Professor of Social Psychology at the University of Sussex. He obtained his PhD under Tajfel in 1979 and has been an active researcher in the field of intergroup relations throughout his career. He was the recipient of the 2014 Tajfel medal, awarded by the European Association of Social Psychology for distinguished lifetime achievement. He is the author of two widely used student texts (Group Processes and Prejudice) and over 180 scientific articles and book chapters.