National Museum of Nuclear Science & History
J. R. McClellan worked for the Roane-Anderson Company.
Glenn Ricker worked for Clinton Laboratories at the X-10 Reactor.
Edward F. Kolley was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
P. T. Covington worked for the Tennessee Eastman Corporation at the Y-12 Plant.