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J.J. Thomson (18 déc. 1876 – 30 août 1940)

Description:

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.

Ajouté au bande de temps:

Date:

18 déc. 1876
30 août 1940
~ 63 years