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Vor 4 Tagen · On August 2, 1939, Albert Einstein sent a letter to U.S. President Franklin Delano Roosevelt. The initiator of this letter was a Hungarian Jew, Leo Szilard, who in early 1939 had learned of the ...
Vor 7 Stunden · In August 1939, hearing that German physicists were racing to discover nuclear fission, he signed a letter to President Roosevelt warning that “the element uranium may be turned into an ...
Vor 3 Tagen · Worried that the Nazis would develop a weapon, Hungarian physicist Leó Szilárd and others wrote a letter to President Franklin D. Roosevelt in the summer of 1939 warning him that Germany might be trying to build an atomic bomb. Adding weight and urgency to the warning, the letter was also signed by Albert Einstein.
Vor 2 Tagen · In August 1939, Leo Szilard and Albert Einstein sent the Einstein–Szilárd letter to Roosevelt, warning of the possibility of a German project to develop nuclear weapons. Szilard realized that the recently discovered process of nuclear fission could be used to create a weapon of mass destruction.
Vor 4 Tagen · Before 1939, it was the accepted belief of scientists that it was theoretically possible to release atomic energy. But no one knew any practical method of doing it. By 1942, however, we knew that the Germans were working feverishly to find a way to add atomic energy to the other engines of war with which they hoped to enslave the world. But they failed. We may be grateful to Providence that ...
Vor 4 Tagen · World War II had begun in Europe in 1939 after Germany invaded Poland. By December 1940, German troops occupied France, Belgium, Norway, Denmark, and the Netherlands, and Germany had unleashed a relentless bombing campaign against Britain. Source: Franklin D. Roosevelt: “Fireside Chat,” December 29, 1940.
Vor 5 Tagen · I made one great mistake in my life—when I signed that letter to President Roosevelt recommending that atom bombs be made; but there was some justification—the danger that the Germans would make them! --Written by Linus Pauling in his diary after a conversation with Einstein (16 November 1954). Quoted in The New Quotable Einstein ...
