Following a distinguished diplomatic career, including an appointment as Ambassador in Bonn in 1975, Sir Oliver (m 1939) was pre-elected Master of Christ's in 1982 but was recalled by the Prime Minister and Queen, at the time of the Falklands Conflict, to serve as Ambassador to the United States.
http://www.timesonline.co.uk/tol/comment/obituaries/article6826423.ece
http://www.telegraph.co.uk/news/obituaries/politics-obituaries/6146978/Sir-Oliver-Wright.html