character: Robert Millikan
topic: Oil Drop Experiment and Charge of the Electron
grade: 12
subject: Chemistry
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character: J.J. Thomson
topic: Discovery of the Electron
grade: 12
subject: Chemistry
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character: Ernest Rutherford
topic: Gold Foil Experiment and Atomic Structure
grade: 12
subject: Chemistry
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character: Hans Geiger
topic: Geiger Counter and Radiation Detection
grade: 12
subject: Chemistry
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