National Museum of Nuclear Science & History
Roy Schroeder was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Harvey worked at the 200 West Area at Hanford during the Manhattan Project
Ralph A. James (1920-1973) was a research associate in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Springer worked at the 200 West Area at Hanford during the Manhattan Project.