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Title: Robert Millikan, American Physicist
Caption: Editorial use only . Robert Andrews Millikan (March 22, 1868 - December 19, 1953) was an American experimental physicist. In 1908, he began experiments in which he measured the charge on a single electron. He and his graduate student Harvey Fletcher used the oil-drop experiment to measure the charge of the electron (as well as the electron mass, and Avogadro's number). Millikan took sole credit, in return for Fletcher claiming full authorship on a related result for his dissertation. Millikan went on to win the 1923 Nobel Prize for Physics, in part for this work, and Fletcher kept the agreement a secret until his death.
Credit: Album / Science Source / New York Public Library
Image size: 2550 × 3409 px | 24.9 MB
Print size: 21.6 × 28.9 cm | 1003.9 × 1342.1 in (300 dpi)