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Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
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Albert Einstein
German-born theoretical physicist (1879–1955)
Albert Einstein was a German-born theoretical physicist who is best known for developing the theory of relativity. Einstein also made important contributions to quantum mechanics. His mass–energy equivalence formula E = mc2, which arises from special relativity, has been called…Source: Wikipedia (CC BY-SA)
Leo Szilard
Hungarian-American physicist and inventor (1898–1964)
Leo Szilard was a Hungarian-born physicist, biologist and inventor who made numerous important discoveries in nuclear physics and the biological sciences. He conceived the nuclear chain reaction in 1933, and patented the idea in 1936. In late 1939 he wrote the letter for Albert…Source: Wikipedia (CC BY-SA)
Einstein–Szilard letter
1939 letter to U.S. president Franklin D. Roosevelt
The Einstein–Szilard letter was a letter written by Leo Szilard and signed by Albert Einstein on August 2, 1939, that was sent to President of the United States Franklin D. Roosevelt. Written by Szilard in consultation with fellow Hungarian physicists Edward Teller and Eugene…Source: Wikipedia (CC BY-SA)
Franklin D. Roosevelt
President of the United States from 1933 to 1945
Franklin Delano Roosevelt, also known as FDR, was the 32nd president of the United States from 1933 until his death in 1945. He is the longest-serving U.S. president, and the only one to have served more than two terms. His first two terms were centered on combating the Great…Source: Wikipedia (CC BY-SA)
Manhattan Project
World War II Allied nuclear weapons program
The Manhattan Project was a research and development program undertaken during World War II to produce the first nuclear weapons. It was led by the United States in collaboration with the United Kingdom and Canada.Source: Wikipedia (CC BY-SA)