Stanley L. Kieltyka

S. C. Welliever

S. C. Welliever worked for the United States Engineer District Office.

Walter A. Holquin

John Arnold

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.

Prisda K. Rosen

Prisda Rosen was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.