William Murphy is an Associate Professor of History at Dublin City University. He is the author of Political Imprisonment and the Irish, 1912-1921 (2014). He has co-edited the books The Gaelic Athletic Association, 1884-2009 (2009) and Leisure and the Irish in the Nineteenth Century (2016). With Anne Dolan he is co-author of Michael Collins: the man and the revolution (2018). Together they are writing a book on Collins’s diaries, which is due out this year.