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National Museum of Nuclear Science & History

Casmer Lesnioski

ShopChicago, IL

Manhattan Project VeteranProject Worker/Staff

Casmer Lesnioski worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

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Robert A. Cornog

Los Alamos, NM

Robert Cornog (1912-1998) was an American physicist and engineer. When the United States entered World War II in 1941, Robert Cornog was working for the Navy on subsurface warfare and the development of ways to counter magnetic, undersea mines.

W.A. Rupea

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Rupea worked at the 300 Area at Hanford during the Manhattan Project.

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W. G. Butler worked for the J.A. Jones Construction Company.