Related to Truman Harry S.: Truman doctrineHarry S. Trumanphotographed c. 1945
Truman
, Harry S. 1884-1972. The 33rd president of the United States (1945-1953). He authorized the use of the atomic bomb against Japan (1945), implemented the Marshall Plan (1948), initiated the establishment of NATO (1949), and ordered US involvement in the Korean War (1950-1953).