Ada Hitchins
English nuclear chemist (1891-1972) / From Wikipedia, the free encyclopedia
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Ada Florence Remfry Hitchins (26 June 1891 – 4 January 1972) was the principal research assistant of British chemist Frederick Soddy, who won the Nobel prize in 1921 for work on radioactive elements and the theory of isotopes.[1][2][3] Hitchins isolated samples from uranium ores, taking precise and accurate measurements of atomic mass that provided the first experimental evidence for the existence of different isotopes.[4] She also helped to discover the element protactinium,[4] which Dmitri Mendeleev had predicted should occur in the periodic table between uranium and thorium.[5]
Quick Facts Born, Died ...
Ada Florence Remfry Hitchins | |
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Born | (1891-06-26)26 June 1891 Tavistock, Devon, England |
Died | 4 January 1972(1972-01-04) (aged 80) |
Other names | Mrs. John R. Stephens |
Alma mater | University of Glasgow |
Awards | Carnegie Scholar (1914–1915) |
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