from The American Heritage® Dictionary of the English Language, 4th Edition

  • Szilard, Leo 1898-1964. Hungarian-born American physicist and biologist. A member of the Manhattan Engineering 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.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. United States physicist and molecular biologist who helped develop the first atom bomb and later opposed the use of all nuclear weapons (1898-1964)


Sorry, no etymologies found.


  • During the 1962 Cuban Missile Crisis, Jack Rosenthal, a young Oregon reporter who later became a senior editor at the New York Times, called Szilard to confirm a dinner date, only to learn from Szilards housekeeper that the scientist had suddenly left the country.

    The Great Escape

  • In his book, Smith focuses on Leo Szilard, the Nobel Prize–winning nuclear physicist who conjured up the idea of a nuclear chain reaction weapon in 1933.

    How the End Begins

  • In a dreadful kind of irony Szilard came up with the notion of the doomsday machine in 1950 as a way of trying to shock the world into the real possibility of self-extinction.

    How the End Begins

  • The biggest immigration innovation during the 1930s was the use of a loophole in the country of origin quotas to allow professors to immigrate, which is how people like Fermi, Teller, Szilard, and so many others were allowed to enter outside the quotas. eric k Says:

    Matthew Yglesias » Brink Lindsey Accuses Progressives of Peddling “Nostalgianomics”

  • A Japanese legal review concluded as much two decades after the fact, Manhattan Project scientist Leo Szilard described it as such*, and indeed, the Wikipedia article devoted to the debate serious people have been having for 60 years contains a lengthy section titled “the bombings as war crimes.”

    War Crimes, Past and Present

  • Szilard did not use the phrase “war crime” in his famous July 1945 petition, nor in the cover letter he circulated with the petition.

    War Crimes, Past and Present

  • Well, Szilard wrote the letter Einstein sent to FDR to get the bomb project rolling.

    War Crimes, Past and Present

  • This novel made a strong impression on physicist Leo Szilard in 1932.

    James Kakalios: The Amazing Story Of Quantum Mechanics!

  • Szilard would conceive of (and patent) the concept of a nuclear chain reaction (years before uranium nuclei were split in a fission experiment) and wrote the letter that was signed by Albert Einstein, urging President Franklin Roosevelt to begin a secret, crash program to develop an actual atomic bomb.

    James Kakalios: The Amazing Story Of Quantum Mechanics!

  • Szilard . . . which leads me to expect that the element uranium may be turned into a new and important source of energy.



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