Szilard Leo


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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.

Szi·lard

(zĭl′ərd), Leo 1898-1964.
Hungarian-born American physicist who introduced the concept of the nuclear chain reaction. With Enrico Fermi, he built the world's first nuclear reactor. Szilard was instrumental in the development of the atomic bomb.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.