Leó Szilárd

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Leo Szilard (1934)

Leó Szilárd February 11, 1898 – May 30, 1964) was a Hungarian-American physicist and inventor. He conceived the nuclear chain reaction in 1933, patented the idea of a nuclear reactor with Enrico Fermi, and in late 1939 wrote the letter for Albert Einstein's signature that resulted in the Manhattan Project that built the atomic bomb.

Leó Szilárd Media

• Szilárd Leó 1916.jpg

  Leó Szilárd

• Fermi-Szilard Neutronic Reactor - Figure 38.png

  An image from the Fermi–Szilard "neutronic reactor" patent

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  Army Intelligence report on Enrico Fermi and Leo Szilard

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  The Metallurgical Laboratory scientists, with Szilard second from right, in the lab coat.

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  Szilard and Norman Hilberry at the site of CP-1, at the University of Chicago, some years after the war. It was demolished in 1957.

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  Salk Institute for Biological Studies, La Jolla, San Diego