Patrick S. And the Press Washbum, in Journalism Monographs (~pril 1990), 1621 COL . lege St., Univ. of S.C., Columbia, S.C. 29208-0251.
A month after the first atomic bomb fell on Hiroshima on August 6, 1945, Gen. H. H. Arnold of the Army Air Force wrote a glowing letter to the head of the U.S. Office of Censorship thanking him for suppress- ing "any mention" of the new weapon in the press until it was used. Arnold wrote that it "shall go down in history as the best- kept secret...