National Museum of Nuclear Science & History
Virginia Bisbeg was a technical worker at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Blalock worked for Stone and Webster Engineering Corporation.
R. G. Mansfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Placzek was a Czech physicist. He was born in Brno, Moravia, which was then part of Austria-Hungary but today is in the Czech Republic.
Roland Davis was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab) during the Manhattan Project.