What record does Sir John Major hold since the death of Margaret Thatcher at the age of 87?
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.
Downing Street Chief of Staff The Downing Street Chief of Staff is the most senior political appointee in the Office of the Prime Minister of the United Kingdom, acting as a senior aide to the Prime Minister and a powerful, non-ministerial position within Her Majesty's Government.