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442 BCE
Democritus
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428 BCE
Anaxagoras and Empedocles
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332 BCE
Aristotle
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John Dalton
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Marie and Pierre Curie
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J.J. Thomson
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Robert Millikan
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Ernest Ruthford
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Neils Bohr
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Erwin (Ernest) Schrodinger 1926
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Werner Heisenberg
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James Chadwick