Terry Irving, radical historian and educational radical, is Honorary Professorial Fellow at the University of Wollongong, Australia. His books include Radical Sydney (with Rowan Cahill), Childe and Australia (edited with Peter Gathercole and Gregory Melleuish), Class Structure in Australian History (with Raewyn Connell), and The Southern Tree of Liberty. He was editor of Labour History: A Journal of Labour and Social History and a founder of the Free University (Sydney). www.terryirving.net