Diarmaid Ferriter is one of Ireland's best-known historians and is Professor of Modern Irish History at UCD. His books include The Transformation of Ireland 1900-2000 (2004), Judging Dev: A Reassessment of the life and legacy of Eamon de Valera (2007), Occasions of Sin: Sex and Society in Modern Ireland (2009) and Ambiguous Republic: Ireland in the 1970s (2012). His most recent book is A Nation and not a Rabble: The Irish Revolution 1913-23 (2015) He is a regular broadcaster on television and radio and a weekly columnist with the Irish Times. In 2010 he presented a three-part history of twentieth century Ireland, The Limits of Liberty, on RTE television.
Gerry O'Brien is an Irish actor who has performed in theatre, radio and television over four decades. His film credits include King Arthur and Pirates of the Caribbean: Dead Man's Chest. Gerry is also a sought-after audiobook narrator, having been nominated for an Audie for his work on the Jack Taylor series of detective novels by Irish writer Ken Bruin, and winning silver in the UK audiobook awards for Ballykissangel.