Dean Grennell (1923–2004), firearms expert and science fiction author
Grennell was elected as an Anti-Jacksonian to the Twenty-first through the Twenty-six Congresses and reelected as a Whig to the Twenty-fifth Congress (March 4, 1829-March 3, 1839).
The founding actors (plus three who joined the following year) were: Tom Studley, George Greene, Éamonn Kelly, Joe Lynch, Arthur O'Sullivan, Laurence O'Dea, Frank O'Dwyer, Christine Spencer, Ginette Waddell, Marie Mulvey, Gerard Healey, Leo Leyden, Charles McCarthy, Deirdre O'Meara, Una Collins, Seamus Forde, Charles Davis, Ronald Ibbs, Florence Lynch, Mairín Ní Shuilleabháin, Joseph O'Dea, Christopher Casson, John Stephenson and Aidan Grennell.