Richard Edward Geoffrey Howe , Baron Howe of Aberavon , CH , QC , PC ( born 20 December 1926 ) , known from 1970 to 1992 as Sir Geoffrey Howe , is a retired British Conservative politician .
Richard Edward Geoffrey Howe , Baron Howe of Aberavon , CH , QC , PC ( born 20 December 1926 ) is a British retired Conservative politician .