R.C. Sievers

Ruth P. Nutting

Ruth Nutting worked for Clinton Laboratories at the X-10 Reactor.

Robert O. Nohr

Robert O. Nohr was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H.B. Shultz

H. C. Smith

H. C. Smith worked for the United States Engineer District Office.