National Museum of Nuclear Science & History
R. N. Babcock worked for the Roane-Anderson Company.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Casmer Lesnioski worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lois Howard worked for the United States Engineer District Office.
