He was educated at Westminster School, where he was head boy, and Christ Church, Oxford.
He was wounded in 1917, was promoted acting captain in December 1917,[1] won the Military Cross (MC) in 1918 as a company commander with the 7th Battalion,[2] and was promoted Temporary Captain in September 1918.
[4] In 1924, he was called to the bar by the Inner Temple and joined the staff of the Director of Public Prosecutions.
[11] From 1945 to 1957, he also served as British Representative on the International Criminal Police Commission.
Howe was appointed Commander of the Royal Victorian Order (CVO) in 1950 and was knighted in 1955.