Alfred Otto Carl Nier (May 28, 1911 – May 16, 1994) was an American physicist who pioneered the development of mass spectrometry. He was the first to use mass spectrometry to isolate uranium-235 which was used to demonstrate that U could undergo fission and developed the sector mass spectrometer configuration now known as Nier-Johnson geometry.
Born |
28 May 1911 St. Paul, Minnesota
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Died |
16 May 1994 (aged 82) Hennepin County Medical Center
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Zodiac | Gemini |
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