He was the eldest child and first son of Benjamin W. Leader, R.A., landscape painter, and Mary Alexandra Leader (nee Eastlake) of Burrows Cross, Gomshall, Guildford. He had four sisters and a brother. He was married in 1910 to Isabella (Belle) (nee Anderson), of Rosemerryn, Bude, Cornwall, with whom he had two children.
He was a talented artist as a schoolboy and was awarded the Leech prize for drawing 1895; several of his drawings were published in ‘The Greyfriar’ magazine. He went up to Trinity, Cambridge and afterwards became an artist, specializing in landscapes, and a member of the artists’ colony at Lamorna.
He served with the Expeditionary Force in Flanders from 14 January 1915 and was killed in action at Le Transloy. He is commemorated on the Thiepval Memorial, and also at St Buryan’s Church, Cornwall.
His younger brother Edward Eastlake Leader, was in Pageites 1896-1900; he competed at the Olympics in 1908 in high jump and hurdles. He became a barrister, survived service in the RNVR and died in 1959.