1937-1938: Neville Chamberlain †
1938-1941: Anthony Eden
1942-1944: John Anderson
1944-1945: Herbert Morrison
1945-1953: Stafford Cripps
1953-1957: Denis Pritt
1957-1968: John Freeman
1968-1968: Walter Walker
1968-1971: John Freeman
1971-1977: Derek Ezra
1977-1980: Peter Parker
1980-1989: Gordon...