National Museum of Nuclear Science & History
R. Warden worked for the Edenfield Electric Company.
Charles Cooper was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Richard Claassen was a research assistant at the SAM Lab at Columbia University from 1944 to 1946. While there, he built and used fluidic systems to test for unusual leaks in diffuser tubes.
C. A. Nystrom worked for the Tennessee Eastman Corporation at the Y-12 Plant.