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.
John Ponsonby, 1st Viscount Ponsonby John Ponsonby, 1st Viscount Ponsonby, GCB (1770 – 22 February 1855) was a longtime British diplomat and politician.