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Szilard, Leo
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Szilard, Leo (1898–1964)

Hungarian-born US physicist who, in 1934, was one of the first scientists to realize that nuclear fission, or atom splitting, could lead to a chain reaction releasing enormous amounts of instantaneous energy. He emigrated to the USA in 1938 and there influenced Albert Einstein to advise President Roosevelt to begin the nuclear-arms programme. After World War II he turned his attention to the newly emerging field of molecular biology.



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Drafted by atomic physicist Leo Szilard, Albert Einstein's famous letter of August 2, 1939, alerted President Roosevelt to the concept and power of atomic weapons, declaring: "A single bomb of this type carried by boat and exploded in port might very well destroy the whole port together with some surrounding territory" Because of the letter's warning that the Germans might develop such a weapon, Roosevelt moved forward on an American program.
How the United States reversed its policy on bombing civilians by Ross, Sherwood / The Humanist
I set up a network of illegals who convinced Robert Oppenheimer, Enrico Fermi, Leo Szilard .
McCarthy's "witches". (Cover Story: History) by Grigg, William Norman / The New American
It was at that time that Leo Szilard proposed that the bombardment of nuclei by neutrons might release additional neutrons as well as radiant energy, thereby initiating a chain reaction that could result in a powerful explosion.
Bacon's Proof: The Career and Controversies of Edward Teller. (Books) by Schulman, Adam / The National Interest
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