Les Back is Professor of Sociology and Director of the Centre for Urban and Community Research (CUCR) at Goldsmiths, University of London, UK. He has researched and written on urban culture, ethnicity, migration, cultural politics, music and higher education. His most recent books include Migrant City (co-authored with Shamser Sinha, Routledge, 2018) and Academic Diary: Or Why Higher Education Still Matters (Goldsmiths Press, 2016). He writes journalism, has made documentary films and currently presents a podcast series on contemporary city life called Streetsigns for CUCR in London. John Solomos is Professor of Sociology at the University of Warwick, UK. He has researched and written widely on the history and contemporary forms of race and ethnic relations in Britain, theories of race and racism, the politics of race, equal opportunity policies, multiculturalism and social policy, race and football and racist movements and ideas. His most recent books are Race, Ethnicity and Social Theory (Routledge, 2022) and Race and Racism in Britain 4th Edition (2022). His most recent edited books are An Introduction to Sociology (co-edited with Karim Murji and Sarah Neal, SAGE, 2022) and Routledge International Handbook of Contemporary Racisms (Routledge, 2020). He is also Editor-in-Chief of the Ethnic and Racial Studies journal, co-editor of the Racism, Resistance and Social Change book series (Manchester University Press) and General Editor of the online The Routledge Encyclopaedia of Race and Racism series.