When1: 1899
When2: 1907
Who: Harriet Brooks [Brooks, Harriet]
What: physicist
Where: Canada
Detail: She lived 1876 to 1933 and studied radioactivity and element transmutation [1899 to 1907]. She discovered radon and nuclei recoil after radioactivity.
Physical Sciences>Physics>History>Atomic Physics
5-Physics-History-Atomic Physics
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Date Modified: 2022.0224