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 U.S. involvement in the Korean War (1950-1953). Capote Truman Truman Streckfus Persons Truman Doctrine Truman Harry S
elected Vice President in Roosevelt's 4th term; became 33rd President of the United States on Roosevelt's death in 1945 and was elected President in 1948; authorized the use of atomic bombs against Japan (1884-1972)