wicehrabia Palmerston, lord John Russell 1859–1866: Benjamin Disraeli 1866–1868: William Ewart Gladstone 1868–1874: Benjamin Disraeli 1874–1875: William Ewart Gladstone 1875–1880: Spencer Cavendish, markiz Hartington 1880–1885: Stafford Northcote 1885–1886: William Ewart Gladstone 1886–1886: Michael Hicks-Beach 1886–1892: William Ewart Gladstone 1892–1895: Arthur Balfour 1895–1898: William Vernon Harcourt 1899–1905: Henry Campbell-Bannerman 1905–1906: Arthur Balfour 1906–1906: Joseph Chamberlain 1906–1911: Arthur Balfour 1911–1915: Andrew Bonar Law 1915–1916: Edward Carson 1916–1918: Herbert Henry Asquith 1918–1920: Donald Maclean 1920–1922: Herbert Henry Asquith 1922–1924: Ramsay MacDonald 1924–1924: Stanley Baldwin 1924–1929: Ramsay MacDonald 1929–1931: Stanley Baldwin 1931–1932: Arthur Henderson 1932–1935: George Lansbury 1935–1940: Clement Richard Attlee 1940–1941: Hastings Lees-Smith 1942–1942: Frederick Pethick-Lawrence 1942–1945: Arthur Greenwood 1945–1945: Clement Richard Attlee 1945–1951: Winston Churchill 1951–1955: Clement Richard Attlee 1955–1963: Hugh Gaitskell 1963–1963: George Brown 1963–1964: Harold Wilson 1964–1965: Alec Douglas-Home 1965–1970: Edward Heath 1970–1974: Harold Wilson 1974–1975: Edward Heath 1975–1979: Margaret Thatcher 1979–1980: James Callaghan