Synge, John Lighton
(1897–1995), mathematician and theoretical physicist, was born 23 March 1897 in Dublin, youngest among one daughter and three sons of Edward Synge (1859–1939), then land agent in Kingscourt, Co. Cavan, and his wife Ellen Frances (1861–1935), daughter of the…...
Tyndall, John
(1820–93), scientist and mountaineer, was born 2 August 1820 in Leighlinbridge, Co. Carlow, only son among two children of John Tyndall (1792–1847) and Sarah Tyndall (née McAssey; d. 1867). His father came from a family of small landowners in Co. Kilkenny, acted as…...