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British physicist J. J. Thomson and his team announce the discovery of the electron.
Related Wikipedia articles
J. J. Thomson
English physicist (1856–1940)
Sir Joseph John "J. J." Thomson was an English physicist whose study of cathode rays led to his discovery of the electron, a subatomic particle with a negative electric charge.Source: Wikipedia (CC BY-SA)
Electron
Elementary particle with negative charge
The electron is a subatomic particle with a negative one elementary electric charge. It is a fundamental particle that comprises the ordinary matter that makes up the universe, along with up and down quarks.Source: Wikipedia (CC BY-SA)