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13 Apr 1939 Jahr - World War 2 starts and Albert Einstein warns President Roosevelt that Germany might build an atomic bomb. He then recommends nuclear research
Zugefügt zum Band der Zeit:
Comparative Timeline on Thomas Edison and Albert Einstein
By
Joshua Butcher
7 Feb 2019
0
0
1145
Datum:
13 Apr 1939 Jahr
Jetzt
~ 86 years ago
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