![]() ![]() ![]() Indeed, it is considered to be one of “most beautiful experiments in physics” and was pivotal in enabling the measurement of the charge of the electron Robert Andrews Millikan (1868-1953). One of the most famous and important of these was that which enabled the determination of the charge of the electron, conducted by Millikan in 1909, which has become known as the oil-drop experiment or simply Millikan’s experiment. There are numerous examples of decisive experiments in the history of physics. Physics requires experiments, accurate measurement and, of course, conclusions to be drawn. There is little doubt, however, that inside the apparatus used by Millikan there was a world of particles with which he became so familiar that he unblushingly claimed to see things in that world. ![]() Quite often we physicists say that we see those things on which we are working, no matter how small, or even abstract they may be. “He who has seen that experiment, and hundreds of investigators have observed it, has literally seen the electron”. In his Nobel Lecture “The Electron and the Light-Quant from the Experimental Point of View” he referred to the experiment that had enabled him determine the charge of the electron, leaving his audience convinced that he had seen electrons: “for his work on the elementary charge of electricity and on the photoelectric effect”. In 1923, the American physicist Robert Andrews Millikan (1868-1953) was awarded the Nobel Prize for Physics , ![]()
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