Bohlen, Charles Eustis (1904-1974), a U.S. diplomat, was an expert on Soviet affairs. Bohlen was ambassador to the Soviet Union from 1953 to 1957, to the Philippines from 1957 to 1959, and to France from 1962 to 1968. He served as undersecretary of state for political affairs from January 1968 to January 1969.
Bohlen was born in Clayton, New York, and graduated from Harvard University. He entered the foreign service in 1929 and held various consular, advisory, and secretarial posts overseas. He was in Tokyo when the United States entered World War II in 1941 and was detained six months by the Japanese. Bohlen was a top-level adviser at several Allied conferences, including Tehran (1943), Yalta (1945), and Potsdam (1945). He served as an aide to Secretary of State John Foster Dulles during the Japanese Peace Conference in 1951.