[2] Subsequently, he joined the Post Office Engineering Union, serving as its general secretary 1967.
[2] He was commissioned in January 1943 and was transferred to the Royal Army Service Corps, where he was promoted to captain and was mentioned in despatches.
[3] After the end of the war Delacourt-Smith was admitted to the British House of Commons in 1945, having been elected for Colchester.
[3] In 1947, he was chosen as an executive member of Labour's Research Department, a position he held for the next four years.
[6] He died, aged 55, at the Westminster Hospital, London in 1972, after suffering a stroke while making a speech in the House of Lords, being survived by his wife.