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Szi·lard(zĭl′ərd, zə-lärd′), Leo 1898-1964.
Hungarian-born American physicist and biologist. A member of the Manhattan Project, he helped develop the first atomic bomb. Szilard was later opposed to the construction and use of all nuclear weapons and devoted himself to studying molecular biology.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biography) Leo. 1898–1964, US physicist, born in Hungary, who originated the idea of a self-sustaining nuclear chain reaction (1934). He worked on the atomic bomb during World War II but later pressed for the international control of nuclear weapons
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Leo, 1898–1964, U.S. physicist, born in Hungary.
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