Lord Ammon died on the 2nd of April, 1960, at the age of 86. Among the many important posts in public life which he held were those of Chairman of the London County Council and of the National Dock Labour Board. He was a deputy speaker in the House of Lords and served as a Labour Member of Parliament from 1922 to 1931 and from 1935 to 1944.

Lord Ammon became a member of the Committee of Management of the Institution in 1926 and was appointed a vice-president in 1947. He served on the General Purposes, Finance and Establishment Committees..