Oppenheimer was, in fact, doing his best to reflect the deep concern his fellow scientists held for the future. Late in September, he told Under Secretary of State Dean Acheson that most Manhattan Project scientists were strongly disinclined to work any longer on weapons—and “not merely a super bomb, but any bomb.” After Hiroshima and the end of the war, such work, he said, was felt to be “against the dictates of their hearts and spirits.”
