Ciaran O'Neill is associate professor of nineteenth-century history at Trinity College Dublin. He is the co-director of the Trinity Colonial Legacies Project. His most recent books include Power and Powerlessness in Union Ireland and Ireland, Slavery and the Caribbean (co-edited with Finola O'Kane).

Billy Shortall is a research fellow at the Irish Art Research Centre, Trinity College Dublin, and co-developed a virtual re-creation of the 1922 Paris World Congress and art exhibition (www.seeingireland.ie). He recently contributed chapters to the Routledge Companion to Irish Art and Hilary Heron, A Retrospective.