National Museum of Nuclear Science & History
H. W. Butsch worked for the William A. Pope Company.
John Arnold joined the Manhattan Project in 1943 when the MED tasked his employer, the Kellogg Corporation, with developing a special barrier for the gaseous diffusion plant in Oak Ridge.
C. D. Greenway worked for Clinton Laboratories at the X-10 Reactor.
John Carlin worked for Hanley & Company.
B. E. Thomas worked for the Tennessee Eastman Corporation at the Y-12 Plant.