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Max Planck, the father of Quatum Theory is born
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Marie and Pierre Curie begin to study Radioactivity
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Jospeh John Thomson discovered the electron
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Marie and Pierre Curie discovered Polonium
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Marie and Pierre Curie discovered Radium
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4th Century: Democritus discovered the Atomic Theory for the Cosmos
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Albert Einstein published his paper on General Relativity
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Ernest Rutheford proposed the existance of the neutron
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Wolfgang Pauli discovered the Pauli Exclusion Principle
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Carl D. Anderson discovered the Positron
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James Chadwick discovered the neutron
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Hideki Yukawa proposed a new theory of nuclear forces
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Gabriele Veneziano was born
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Period: to
Gabriele Veneziano
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Gabriele Veneziano discovered the formula from which the String Theory was developed
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The String Theory was being further developed.