New York Times Front Page, August 7, 1945

…An atomic bomb, possessing more power than 20,000 tons of TNT, a destructive force equal to the load of 2,000 B-29's and more than 2,000 times the blast power of what previously was the world's most devastating bomb, had been dropped on Japan. The announcement, first given to the world in utmost solemnity by President Truman, made it plain that one of the scientific landmarks of the century ha been passed, and that the "age of atomic energy," which can be a tremendous force for the advancement of civilization as well as for destruction, was at hand.