Research topic:Leo Szilard

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Szilard, Leo

The Oxford Companion to World War II | 2001 | | © The Oxford Companion to World War II 2001, originally published by Oxford University Press 2001. (Hide copyright information) Copyright

Szilard, Leo (1898–1964),Hungarian-born nuclear physicist who, after serving in the First World War, studied physics in Berlin. He was the first to propound what then seemed the highly implausible idea of a nuclear chain reaction, crucial to the development of an atomic bomb. When Hitler came to power in January 1933, Szilard went to the UK and then to the USA where he worked with Enrico Fermi who supervised the first nuclear chain reaction in Chicago in December 1942.

More politically aware than most of his fellow nuclear physicists, Szilard encouraged the US government to continue research into the development of a nuclear weapon. In September 1939 he drafted the letter signed by Albert Einstein to Roosevelt which voiced his anxieties, and those of Fermi, that Germany might also be building one (see also Heisenberg and scientists at war).

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I. C. B. DEAR and M. R. D. FOOT. "Szilard, Leo." The Oxford Companion to World War II. Oxford University Press. 2001. Encyclopedia.com. 15 Dec. 2009 <http://www.encyclopedia.com>.

I. C. B. DEAR and M. R. D. FOOT. "Szilard, Leo." The Oxford Companion to World War II. Oxford University Press. 2001. Encyclopedia.com. (December 15, 2009). http://www.encyclopedia.com/doc/1O129-SzilardLeo.html

I. C. B. DEAR and M. R. D. FOOT. "Szilard, Leo." The Oxford Companion to World War II. Oxford University Press. 2001. Retrieved December 15, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O129-SzilardLeo.html

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