

https://en.wikipedia.org/wiki/Alexander_Langsdorf_Jr.
Alexander Langsdorf Jr. (May 30, 1912 – May 24, 1996) was an American physicist on the team that developed the atomic bomb and several devices related to nuclear physics. He was a vocal opponent of the use and proliferation of nuclear weapons.
1912 |
May 30, 1912
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St. Louis, Missouri, United States
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1996 |
May 24, 1996
Age 83
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Elmhurst, DuPage County, Illinois, United States
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