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dec 25, 1878 - Albert EINSTEIN américain, 1879-1955 il publie sa théorie de la relativité restreinte ,et aboutit au concept du photon. Il élabore ensuite la théorie de la relativité générale en 1916, qui a révisé les notions d'espace et de temps et introduit une conception nouvelle de la gravitation

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Astronome

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dec 25, 1878
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~ 146 years ago
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