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Democritus (460 B.C.)
One of the first creators for the first basis of the atomic theory
Found that atoms were invisible and always in motion -
The pioneer of nucleaur physics, and the first to split the atom. He was also named the father of the Nucleaur Age.
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John Dalton came up with Daltons atomic theory, and he stated that all matter is made of atoms.
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J.J. Thompson developed the atomic theory. He experimented with the electron to come up with his theory, he also found the positively charged particles.
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Niels Bohr contribution to the atom was the fundamentals of it. He's called responsible for the peaceful applications of atomic energy across the world.
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