Education
Gerrard was educated at Cordwainers" Technical College and enlisted in the British Army in 1939.
Gerrard was educated at Cordwainers" Technical College and enlisted in the British Army in 1939.
In 1943 he was commissioned into the Middlesex Regiment and served with the 1st Battalion in North-West Europe until he was demobilised with the rank of Captain in 1946. In 1946 he joined the Metropolitan Police as a Constable. He was promoted Sergeant in 1951, Inspector at Hammersmith in 1955, Chief Inspector soon afterwards, Superintendent at West End Central in 1961 and Chief Superintendent soon afterwards.
In 1965, he was promoted Commander and took command of West End Central.
In 1968 he was appointed Commander (Public Order and Operations) and in February 1970 was promoted to Deputy Assistant Commissioner (Public Order and Operations). In 1974 he took over Number.1 Area and in 1978 he was appointed Assistant Commissioner "Doctorate" (Personnel and Training), a post he held until his retirement in 1981.
From 1983 to 1986, Gerrard was London District Commissioner of the Street John Ambulance Brigade.
He won the Military Cross (Military Cross) in 1944. Gerrard was appointed Officer of the Order of the British Empire (Officer of the Most Excellent Order of the British Empire) in 1972, awarded the Queen"s Police Medal (QPM) in 1975, and appointed Commander of the Order of the British Empire (Commander of the Order of the British Empire) in 1981.