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.
Sir Charles Trevelyan, 3rd Baronet Sir Charles Philips Trevelyan, 3rd Baronet, {'1': ", '2': ", '3': ", '4': "} (28 October 1870 – 24 January 1958) was a British Liberal Party, and later Labour Party, politician and landowner. He served as President of the Board of Education in 1924 and between 1929 and 1931 in the first two Labour administrations of Ramsay MacDonald.