Albert Einstein2 August 1939
Signs the Einstein-Szilard letter warning President Roosevelt about uranium chain reactions and possible powerful bombs.
United States of America · Warfare / Nuclear. Chronological records rendered directly from the World History Database.
Signs the Einstein-Szilard letter warning President Roosevelt about uranium chain reactions and possible powerful bombs.
Economist Alexander Sachs meets with President Roosevelt and delivers the Einstein-Szilard letter
Delivers the uranium warning letter to Roosevelt.
President Franklin Roosevelt calls on Lyman Briggs of the National Bureau of Standards to head "The Uranium Committee" to undertake nuclear research, as a result of the Einstein-Szilard letter
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