National Museum of Nuclear Science & History
R. H. Martin worked for the United States Engineer District Office.
Groht worked for Stone and Webster Engineering Corporation.
Minnie M. Daniels was a laboratory technician and assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Virginia Bisbeg was a technical worker at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lorraine Rehpohl was a staff worker at Los Alamos during the Manhattan Project.