National Museum of Nuclear Science & History
John Marcy worked for the Kellex Corporation at the K-25 Plant.
A. P. Schreiber worked for the United States Engineer District Office.
H. R. House worked for the Union Carbide & Carbon Corporation.
Joseph LaRocco was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Josephine Hinch was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
