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jan 5, 1909 - Robert Mallikan Born: Mar 22, 1868 Died: Dec 19, 1953 From: Morrison, Illinois determined the charge and mass of an electron
Added to timeline:
History of the atom
By
Seth Christenson
6 Nov 2018
0
0
428
Date:
jan 5, 1909
Now
~ 117 years ago
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