1931 - Jacob Dyneley Beam began his career in foreign service serving in Geneva.
1934-1940 - Served in Berlin and London during World War II, and as a political advisor in occupied Germany after the War.
1952-1953 - Acting head at the Embassy in Moscow.
1957-1961 - Served as US ambassador to Poland.
1966-1969 - US Ambassador to Czechoslovakia during the Soviet invasion of that country.
1969-1974 - Appointed as US ambassador to Soviet Union.
1974-1977 - Worked as director of Radio Free Europe.
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