During which years did the father of Maurice Macmillan serve as Prime Minister of the United Kingdom?
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.
Michael Heseltine Michael Ray Dibdin Heseltine, Baron Heseltine, {'1': ", '2': ", '3': ", '4': "} (born 21 March 1933) is a British Conservative politician and businessman. After initially making money as a property developer, he was one of the founders of the publishing house Haymarket. He was a Member of Parliament from 1966 to 2001, and was a prominent figure in the governments of Margaret Thatcher and John Major including serving as Deputy Prime Minister under the latter.