Dean Acheson (1893-1971) was an American statesman and lawyer. As United States Secretary of State in the administration of President Harry S. Truman from 1949 to 1953, he played a central role in defining American foreign policy during the Cold War.

Dean Acheson (1893-1971) was an American statesman and lawyer. As United States Secretary of State in the administration of President Harry S. Truman from 1949 to 1953, he played a central role in defining American foreign policy during the Cold War.