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Arthur Jeffrey Dempster | |
|---|---|
 Dempster, c. 1925-30 | |
| Born | August 14, 1886 |
| Died | March 11, 1950 (aged 63) Stuart, Florida, U.S. |
| Nationality | Canadian-American |
| Alma mater | B.S. University of Toronto M.S. University of Toronto Ph.D. University of Chicago |
| Known for | Developed the first modern mass spectrometer, discovered 235U (used in atomic bombs) |
| Awards | Newcomb Cleveland Prize (1929) |
| Scientific career | |
| Fields | Physics |
| External videos | |
|---|---|
 | |
 Michael A. Grayson, Discovery of Isotopes of Elements (Part I: Arthur Jeffrey Dempster), Profiles in Chemistry, Chemical Heritage Foundation |
Arthur Jeffrey Dempster (August 14, 1886 – March 11, 1950) was a Canadian-American physicist best known for his work in mass spectrometry and his discovery in 1935 of the uranium isotope 235U.[1]
- ^ Allison, Samuel K. (1952). "Arthur Jeffrey Dempster 1886–1950" (PDF). National Academy of Sciences. Retrieved 13 December 2012.