Éamon de Valera
In 1885, after his father's death, de Valera was taken to Ireland by his Uncle Ned. He was brought up by his grandmother Elizabeth Coll, her son Patrick and her daughter Hannie, in County Limerick.  At the age of sixteen, he won a scholarship to Blackrock College, County Dublin. In his first year in Blackrock College he was Student of the Year. In 1903 was became mathematics teacher at Rockwell College, County Tipperary. When he graduated in mathematics from the Royal University of Ireland he went back to Blackrock College  He taught in many other colleges, including Belvedere college where he taught Kevin Barry, the young Irish republican hanged by the British during the Irish War of Independence.