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They thought matter made up tiny particles.
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John Dalton was borned.
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Crooke made the CRT and he tested it with a magnet and the light moved up and down when he putted a magnet.
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Rutherford had died.
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Most of the mass is in dense, positive nucleus. Rutherford thought that positive nucleus surrounded by negative orbiting electrons.
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His atomic model had atoms built up of orbital shells of electrons and negatively charged electrons occupy the space around the nucleus.
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He came up with the clouds and it was famous principle of uncertainly.
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Studied the canal rays and used CRT to determine the charge to mass ratio.
