National Museum of Nuclear Science & History
Luis Romero was a staff worker at Los Alamos during the Manhattan Project.
Prisda Rosen was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John J. Kroes served in the 1st Ordnance Squadron.
Boyce D. McDaniel was a physicist at the Manhattan Project’s Los Alamos, NM laboratory.
