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  • However, Manhattan Project scientists such as Leo Szilard and Hans Bethe believed that a

    American Scientist Online

  • 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

  • During his studies he helped write two books: Physics circa 1900: Personnel, Funding, and Productivity of the Academic Establishments (with Paul Forman and John L. Heilbron) and Leo Szilard: His Version of the Facts (edited with Gertrud Weiss Szilard).

    Contributor: Spencer Weart

  • But famed physicist Leo Szilard, after attending a screening, summed it up this way: "If our sin as scientists was to make and use the bomb, then our punishment was to watch The Beginning or the End."

    Greg Mitchell: White House Cover-Up: How Harry Truman Edited the First Hollywood Film About the Atomic Bomb

  • The colleagues whom Einstein mentioned were the Italian Enrico Fermi and the Hungarian Leo Szilard, who, in 1942, would create the first atomic chain reaction.


  • The never developed cobalt bomb was called a “doomsday device” by physicist Leo Szilard.

    Better Things for Better Living or Excuse Me While I Kiss the Sky

  • The letter, composed by Einstein's friend Leo Szilard, was one of many exchanged between the White House and Einstein, and it contributed to Roosevelt's decision to fund what became the Manhattan Project, the U.S. government's program to develop the atomic bomb.

    Einstein, Albert

  • But Budapest born physicist Leo Szilard, a protégé of Einstein and recent arrival to the United States, knew Germany was dedicated to developing the bomb and was alarmed that the sale of uranium ore from Nazi occupied Czechoslovakia had been halted.

    Daniel Bruno Sanz: Bad Dreams From My Grandfather

  • The Doomsday Bomb was actually conceived by Leo Szilard, who also conceived the idea of the nuclear chain reaction and later with Fermi patented the idea of a nuclear reactor.

    Doomsday Now!

  • The opening, in which the chorus sings the text of a protest letter by Leo Szilard, is extremely difficult, and the opening night ensemble was poor in this English National Opera production.

    The Nuclear Opera: 'Dr. Atomic' Aims for Greatness


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