Timeline Wednesday 2 August 1939

Events on Wednesday 2 August 1939 3

• 1939 Einstein–Szilárd letter Roosevelt is warned about atomic bombs Albert Einstein signed a letter drafted by Leó Szilárd warning President Roosevelt that Germany might develop extremely powerful uranium bombs. Alexander Sachs delivered it to Roosevelt on 11 October. In response, Roosevelt set up the Advisory Committee on Uranium.
• 1939 The letter to Roosevelt Signed at Szilard's urging Leo Szilard drafted the warning that Germany might build an atomic bomb and Einstein signed it on 2 August 1939. It reached Roosevelt in October and led to the Uranium Committee and eventually the Manhattan Project. Einstein had no security clearance and no part in the work that followed.
• 1939 – 2015 Wes Craven (1939-2015) Died 30 August 2015, aged 76 Wes Craven was an American filmmaker who directed influential horror films including A Nightmare on Elm Street and the Scream franchise. His work helped define the slasher genre and shaped horror cinema for decades. Craven often used his films to explore social and psychological themes beneath their genre trappings.