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JJ Thomson, British physicist, c1896-c1915JJ Thomson, British physicist, 1896-1916. Joseph John Thomson (1856-1940) discovered the electron and was a pioneer of nuclear physics
Sir JJ Thomson, British physicist, 1932 (1956). In 1896 Thomson (1856-1940), began experiments on cathode rays, proving that they are particles with a negative charge and much smaller than an atom
Discharge in Geissler tubes containing rarefied gases, 1887Discharge in Geissler tubes containing rarefied gases. Investigations of these phenomena led to the discovery of cathode rays, x-rays and electrons. From A. Ganot Natural Philosophy. (London, 1887)
JJ Thomson, British physicist, c1922. Joseph John Thomson (1856-1940) discovered the electron and was a pioneer of nuclear physics
