National Museum of Nuclear Science & History
K. C. McGregor worked for the Edenfield Electric Company.
G. R. Klingman worked for the Roane-Anderson Company.
Rupp worked at the 300 Area and the 200 West Area at Hanford during the Manhattan Project.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.