National Museum of Nuclear Science & History
Prisda Rosen was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
V. N. Boatman worked for the J.A. Jones Construction Company.
Edward J. Fredrick was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold Fidler was an Army major and a civil engineer for the Corps of Engineers. Fidler began working at the Radiation Laboratory at Berkeley with Ernest O.