National Museum of Nuclear Science & History
Ruth A. Casler was a lab technician in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. C. Fistere worked for the Watson-Flagg Engineering Company.
Frances T. Janis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Day worked for Stone and Webster Engineering Corporation.
