During which years did the father of Maurice Macmillan serve as Prime Minister of the United Kingdom?
Maurice Macmillan Maurice Victor Macmillan, Viscount Macmillan of Ovenden PC (27 January 1921 – 10 March 1984) was a British Conservative Party politician and Member of Parliament. He was the only son of Harold Macmillan, who previously served as Prime Minister of the United Kingdom.
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.