Joseph Cruess Callaghan
Joseph Cruess Callaghan, (4 March 1893 – 2 July 1918) was an Irish flying ace of the First World War, credited with five aerial victories. == Early life and background == Joseph Cruess Callaghan was the eldest of six children of Joseph Patrick Callaghan (of Blackrock, Dublin) and Croasdella Elizabeth Mary (née Bolger; daughter of James Bolger and Croasdella Elizabeth Cruess); he was educated at Jesuit schools such as Belvedere College (Dublin) and Stonyhurst College (Lancashire, England).