nJune 11
nThe Franck Committee on the social and political implications of the atomic bomb, headed by Nobel Laureate James Franck, issues a report advising against a surprise atomic bombing of Japan.  The report states, “If we consider international agreement on total prevention of nuclear warfare as the paramount objective…this kind of introduction of atomic weapons to the world may easily destroy all our chances of success.”  The report correctly predicts that dropping an atomic bomb “will mean a flying start toward an unlimited armaments race.”
nJune 14
nThe Franck Committee Report – with its recommendation that bomb be demonstrated to Japan before being used on civilians – is taken by Compton to Los Alamos, and copies were given to Fermi, Lawrence and Oppenheimer. June 16
nCompton, Fermi, Lawrence and Oppenheimer conclude: “We can propose no technical demonstration likely to bring an end to the war; we see no acceptable alternative to direct military use.”