J.J. Thomson (18 dic 1876 año – 30 agos 1940 año)
Descripción:
He died in Cambridge, United kingdom. In 1897 Thomson discovered the electron by expiramenting with a crookes or "cathode ray tube". He also studied positively charged particles in neon gas.
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fecha:
18 dic 1876 año
30 agos 1940 año
~ 63 years