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12h 55min, aug 2, 1939 y - Albert Einstein

Description:

El físico consideró que era necesario que Estados Unidos desarrolle un programa de armas nucleares. Firmó, una carta dirigida al presidente de los Estados Unidos, Franklin Delano Roosevelt, en la que alertaba sobre los desarrollos atómicos alemanes e instaba al país a impulsar un programas similar.

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Bymariana
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12h 55min, aug 2, 1939 y
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~ 86 years ago
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