Yoshio Nishina was a Japanese physicist. He was a friend of Niels Bohr, and a close associate of Albert Einstein. Nishina was a world-class scientist with excellent leadership qualities. He co-authored the well-known Klein-Nishina Formula, and the Nishina crater on the moon is named in his honor. During World War II he was the head of the Japanese atomic program, which was alleged to have detonated a nuclear weapon during testing in 1945. Wikipedia
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