Terry Irving is an academic, activist and historian. His works focuses on radical history and education: he is the author of, among other works, Radical Sydney (with Rowan Cahill), The Southern Tree of Liberty, Childe and Australia (edited with Peter Gathercole and Gregory Melleuish), and Class Structure in Australian History (with Raewyn Connell). As editor, he has worked on Labour History: A Journal of Labour and Social History.