Humphrey Trevelyan, C.M.G. -- Newly appointed British Ambassador to Egypt; formerly British Charge d'Affaires in Peking. The Soviet Union proposed the message, handed to the British Ambassador, Sir Humphrey Trevelyan, should be sent from the co-chairmen to the U.S and other participants in the conference the Soviet news agency Tass reported. July 08, 1955. (Photo by Bassano, Camera Press).