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Democritus discovered the existance of invisible atoms, characterized only by quantive properties, size, shape and motion.
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John proposed the atomic theory which stated atoms of a given element posesses unique characters.
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While using a CRT he observed the chemicals that glowed or what made them glow.
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Bohr came up with the "Bohr Planetary Model". The father of Quantam theory,
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He discovered electrons.He changed a model to the plum puddin model, and he used a cahtode ray tube. He discribed atoms was like a ball of positive charge.
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Ernest developed planetary model where the nucleus is in the center. Known as "father of nucleus physics".
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He developed mathmatical equations to describe the motion of electrons,.
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Proved existance of neutrons. A theory called "Electron Cloud Theory" which he explained that it ment moving particles. He discovered the existance of neutron. Also a particle within the nucleus that has a mass similar to that of a proton.
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In order to finish World War 2 Waltons and Crockroft's idea they split the atom to create a neclear bomb.
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the first man to build a Cathode Ray tube used to make x-rays.
