During his tenure as Ambassador to Vietnam, Donal Read Heath advocated and carried out American policy under a United States Secretary of State for what president?   
Donald R. Heath: Donald Read Heath (August 12, 1894 – October 15, 1981) was a member of the United States Foreign Service for more than four decades including service as the Ambassador to Cambodia (1950–1954), Laos (1950–1954), Vietnam (1952–1955), Lebanon (1955–1957) and Saudi Arabia (1958–1961).
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