George Stoney

George Stoney

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Caption: George Johnstone Stoney (1826-1911), Irish physicist. In 1874, Stoney proposed the charge on a hydrogen ion as the smallest unit of electric charge. He later termed this the electron. In 1897 an elementary particle with a negative charge was discovered by J.J. Thomson. This particle became known as an electron.

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Keywords: black-and-white, electric charge, electrical unit, electron, george johnstone, historical, history, irish, male, man, monochrome, physicist, physics, portraits, scientist, stoney, surname s

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