Who served as junior minister being known for his colorful ties and waistcoasts under the oldest living Prime Minister of the United Kingdom?
John Major Sir John Major, {'1': ", '2': ", '3': ", '4': "} (born 29 March 1943) is a British politician who was Prime Minister of the United Kingdom and Leader of the Conservative Party from 1990 to 1997. He served as Foreign Secretary and then Chancellor of the Exchequer in the Thatcher Government from 1989 to 1990, and was the Member of Parliament (MP) for Huntingdon from 1979 until he retired in 2001. Since Margaret Thatcher's death in 2013, he is the oldest living former Prime Minister.
David Margesson, 1st Viscount Margesson Henry David Reginald Margesson, 1st Viscount Margesson PC (26 July 1890 – 24 December 1965) was a British Conservative politician, most popularly remembered for his tenure as Government Chief Whip in the 1930s. His reputation was of a stern disciplinarian who was one of the harshest and most effective whips. His sense of the popular mood made him know when to sacrifice unpopular ministers. He protected the appeasement-supporting government as long as he could.