The Right Honourable Leonard James Callaghan, Baron Callaghan of Cardiff, K.G., P.C.
- Born: 27 March 1912
- Died: 26 March 2005
- 1912-1945: Mr. James Callaghan
- 1945-1964: Mr. James Callaghan, M.P.
- 1964-1987: The Rt. Hon. James Callaghan, M.P.
- 1987-1987: The Rt. Hon. Sir James Callaghan, K.G.
- 1987-2005: The Lord Callaghan of Cardiff, K.G., P.C.
- Parliamentary Secretary to the Ministry of Transport, 1947-1950
- Parliamentary and Financial Secretary to the Admiralty, 1950-1951
- Chancellor of the Exchequer, 1964-1967
- Secretary of State for the Home Department, 1967-1970
- Secretary of State for Foreign and Commonwealth Affairs, 1974-1976
- Prime Minister, 1976-1979
- Knight of the Garter, 1987
- Privy Councillor, 1964
- Member of Parliament for Cardiff South, 1945-1950
- Member of Parliament for Cardiff Southeast, 1950-1983
- Member of Parliament for Cardiff South and Penarth, 1983-1987
- Leader of the Opposition, 1979-1980
- Leader of the Labour Party, 1976-1980
|Chancellor of the Exchequer|
Sir Alec Douglas-Home