Born into a family of academics and Indian administrators, Butler had a distinguished academic career before entering Parliament in 1929. As a junior minister, he helped to pass the Government of India Act 1935. He strongly supported the appeasement of Nazi Germany in 1938–39. Entering the Cabinet in 1941, he served as Education Minister (1941–45, overseeing the Education Act 1944). When the Conservatives returned to power in 1951 he served as Chancellor of the Exchequer (1951–55), Home Secretary (1957–62), Deputy Prime Minister (1962–63) and Foreign Secretary (1963–64).