Tony Crowley is professor of English at the University of Leeds. His monographs include Language in History: Theories and Texts (1996), The Politics of Discourse (2003), Wars of Words: the Politics of Language in Ireland 1537-2004 (2005), Scouse: A Social and Cultural History (2012) among others. His archive of some 22,000 images of murals, graffiti, and street in Northern Ireland (1979-2024) is available in the Claremont Colleges Digital Library.