National Museum of Nuclear Science & History
Chris Keim worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Nomerding was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Matson worked in the 100 B Area at Hanford during the Manhattan Project.
R. D. Arthur worked for Clinton Laboratories at the X-10 Reactor.