What years did ponsonby baronet serve a conservative politician before they became a prime minister
Anthony Eden Robert Anthony Eden, 1st Earl of Avon, (12 June 1897 – 14 January 1977) was a British Conservative politician who served three periods as Foreign Secretary and then a relatively brief term as Prime Minister of the United Kingdom from 1955 to 1957.
Sir Peter Agnew, 1st Baronet Commander Sir Peter Garnett Agnew, 1st Baronet (9 July 1900 – 26 August 1990) was an officer in the Royal Navy and a Conservative Party politician.