Original: He was also the first person to hold the office of Deputy Prime Minister , under Winston Churchill in the wartime coalition government , before leading the Labour Party to a landslide election victory over Churchill 's Conservative Party in 1945 .
Simplified: Clement Richard Attlee , 1st Earl Attlee , KG , OM , CH , PC was born on 3 January 1883 and died on 8 October 1967 was a British prime minister .