Richard Edward Geoffrey Howe, Baron Howe of Aberavon, CH, QC, PC, previously known as Sir Geoffrey Howe, was a British Conservative politician. He was Margaret Thatcher's longest-serving Cabinet minister, successively holding the posts of Chancellor of the Exchequer, Foreign Secretary, and finally Leader of the House of Commons and Deputy Prime Minister.Richard Edward Geoffrey Howe, Baron Howe of Aberavon, CH, QC, PC, previously known as Sir Geoffrey Howe, was a British Conservative politician. He was Margaret Thatcher's longest-serving Cabinet minister, successively holding the posts of Chancellor of the Exchequer, Foreign Secretary, and finally Leader of the House of Commons and Deputy Prime Minister....more