National Museum of Nuclear Science & History
E. C. McAdoo worked for the Roane-Anderson Company.
Norman F. Modine was a research assistant at the University of Chicago Met Lab. He was a signer of the Szilard petition.
Marceil Roberson worked for the H. K. Ferguson Company.
Prisda Rosen was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.