* Astronomy

Carl Friedrich Freiherr von Weizsäcker (June 28, 1912 - April 28, 2007) was a German physicist and philosopher. He was the longest-living member of the research team which performed nuclear research in Germany during the Second World War, under Werner Heisenberg's leadership. There is ongoing debate as to whether he, and the other members of the team, actively and willingly pursued the development of a nuclear bomb for Germany during this time.
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