His first paper was published in 1970 and focused on Hugh O'Neill , 2nd Earl of Tyrone and in the subsequent years additional examinations of Gaelic Ulster followed .
He has been a lecturer in Irish history in NUI Galway since 1972 and professor there since 1979 .
lecturer 's first paper was published in 1970 and focused on Hugh O'Neill , 2nd Earl of Tyrone and in the subsequent years additional examinations of Gaelic Ulster followed .
He has been a lecturer in Irish history in NUI Galway since 1972 and professor there since 1979 .