Atomic bomb Japanese work

Japanese studies toward an atomic bomb began first within the military. The director of the Aviation Technology Research Institute of the Imperial Japanese Army, Takeo Yasuda, a lieutenant general and an alert electrical engineer, conscientiously followed the international scientific literature that related to his field in the course of his reading in 1938 and 1939 he noticed and tracked the discovery of nuclear fission. In April 1940, foreseeing fission s possible consequences, he ordered an aide who was scientifically trained. Lieutenant Colonel Tatsusaburo Suzuki, to prepare a fuU report Suzuki went to work with a will... 

I was about to undertake had I known Dr. Tsuzuki s background. I suppose it was concern about security that had discouraged Dr. Warren from providing that information. I did not know that it was Dr. Tsuzuki who had mobilized an immediate research program by Japanese doctors working with the survivors of the atomic bomb attacks. I did not see the excellent report of the Japanese doctors until I returned to Japan in 1989. ... 

Nor did I know that it was Dr. Tsuzuki who, with Dr. Warren, had directed the vast study of the short-term effects of the bomb radiation undertaken by American and Japanese specialists just two months after the bombs fell. The work of the Joint Commission for the Study of the Effects of the Atomic Bomb in Japan had been a great success, bringing together physicians of the conquering and defeated nations bound by a common concern for the thousands of victims. 

Shockley had worked during the war on radar and anti-submarine warfare. In July 1945, he was asked by the US War Department to prepare a report on the likely casualties if Japan were invaded. His report predicted millions of both Japanese and Allied casualties, and influenced the decision to use the atomic bomb. 

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