Stuart Allan is Professor and Head of the School of Journalism, Media and Cultural Studies at Cardiff University, UK. He is the author of Citizen Witnessing: Revisioning Journalism in Times of Crisis (2013), editor of The Routledge Companion to News and Journalism (2009, revised 2011), and co-editor of Citizen Journalism: Global Perspectives (volumes 1 and 2, 2009 and 2014). He is currently co-writing with Tom Allbeson, Conflicting Images: Histories of War Photojournalism.