Margaret Thatcher was Prime Minister of the United Kingdom from 4 May 1979 to 28 November 1990, during which time she led a Conservative majority government. She was the first woman to hold that office. During her premiership, Thatcher moved to liberalise the British economy through deregulation, privatisation, and the promotion of entrepreneurialism.

Sir John Major is a British former politician who served as Prime Minister of the United Kingdom and Leader of the Conservative Party from 1990 to 1997. He previously held Cabinet positions under prime minister Margaret Thatcher, his last as chancellor of the Exchequer from 1989 to 1990. Major was Member of Parliament (MP) for Huntingdon, formerly Huntingdonshire, from 1979 to 2001. Since stepping down as an MP in 2001, Major has focused on writing and his business, sporting and charity work, and has occasionally commented on political developments in the role of an elder statesman.