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400 BCE
democritus
Democritus is known for the theory that everything is made of atoms. Atoms are invisible. -
348 BCE
plato
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1400
aristotle
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lavoisier
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dmitri mendeleev
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photoelectric effect
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jj thompson
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ernest rutherford
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the curies
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john dalton
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plancks quantum theory of light
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Neils bohr
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henry gj mosely
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Albert Einstein
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robert millikan
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werner heisenberg
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schrodinger equation
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robert boyle
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james chadwick
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The Alchemist