National Museum of Nuclear Science & History
L. A. Riden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Julius “Osty” Ostspowicz was a glassblower in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Norma K. Hipple was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.