Dean Acheson: United States Undersecretary of State from 1945 to 1947 and Secretary of State from 1949 to 1953. He played a key role in developing and implementing the Marshall Plan.
W. Averell Harriman: United States Secretary of Commerce from 1946 to 1948 and later ambassador to the Soviet Union and other countries. He was involved in negotiations with European countries regarding the Marshall Plan.
Paul Hoffman: American industrialist and philanthropist who served as the first Administrator of the Economic Cooperation Administration (ECA), the agency responsible for administering the Marshall Plan.
Jean Monnet: French economist and politician who served as the first President of the High Authority of the European Coal and Steel Community (ECSC), an early European integration organization established in part as a result of the Marshall Plan.
Konrad Adenauer: German statesman who served as Chancellor of West Germany from 1949 to 1963. He was a strong supporter of the Marshall Plan and played a key role in West Germany's economic recovery.
Clement Attlee: Prime Minister of the United Kingdom from 1945 to 1951. He supported the Marshall Plan and led Britain's participation in the program.
Giuseppe Pella: Italian economist and politician who served as Prime Minister of Italy from 1953 to 1954. He was involved in negotiations with the United States regarding the Marshall Plan.
Józef Cyrankiewicz: Polish politician who served as Prime Minister of Poland from 1947 to 1952 and again from 1954 to 1970. He initially supported the Marshall Plan, but later changed his position due to pressure from the Soviet Union.