Roy Harris Jenkins (1920-2003) became a Labour minister in 1964, was home secretary (1965-1967) and (1974-1976), and chancellor of the Exchequer (1967-1970). He was president of the European Commission (1977-1981).
In 1981 he became one of the founders of the Social Democratic Party and was elected in 1982, but lost his seat in 1987.
Educated at Oxford, Jenkins was a close friend of the future Labour leader Gaitskell. A Labour MP from 1948, he was minister of aviation (1964-1965), then home secretary and chancellor of the Exchequer under Harold Wilson.
In 1970 he became deputy leader of the Labour Party, but resigned in 1972 because of disagreement with Wilson on the issue of UK entry to the European Community. He was elected chancellor of Oxford University in 1987.