Dr John O’Callaghan lectures in History and Heritage at St. Angela’s College, Sligo ( NUI Galway). Among his publications are Revolutionary Limerick: The Republican Campaign for Independence in Limerick, 1913-21 (Irish Academic Press, 2010), The Battle for Kilmallock (Mercier Press, 2011), Subversive Voices: Narratives of the Occluded Irish Diaspora (Peter Lang, 2012). O’Callaghan’s book, The Irish Revolution, 1912-23: Limerick, will be published by Four Courts Press. His most recent book is Con Colbert, a biography of the rebel executed for his role in the 1916 Easter Rising (O’Brien Press, 2015).