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.
Under-Secretary of State for Air The Under-Secretary of State for Air was a junior ministerial post in the United Kingdom Government, supporting the Secretary of State for Air in his role of managing the Royal Air Force. It was established on 10 January 1919, replacing the previous short-lived posts of Parliamentary Secretary to the Air Board and Parliamentary Secretary to the Air Council