What party was both, Harold Macmillan and Keith Joseph apart of?
Harold Macmillan Maurice Harold Macmillan, 1st Earl of Stockton, {'1': ", '2': ", '3': ", '4': "} (10 February 1894 – 29 December 1986) was a British statesman of the Conservative Party who served as Prime Minister of the United Kingdom from 1957 to 1963. Nicknamed "Supermac", he was known for his pragmatism, wit and unflappability.
Andrew Cavendish, 11th Duke of Devonshire Andrew Robert Buxton Cavendish, 11th Duke of Devonshire, {'1': ", '2': ", '3': ", '4': "} (2 January 1920 – 3 May 2004), styled Lord Andrew Cavendish until 1944 and Marquess of Hartington from 1944 to 1950, was a British Conservative and later Social Democratic Party politician. He was a minister in the government of Prime Minister Harold Macmillan (his uncle by marriage), but is best known for opening Chatsworth House to the public.