National Museum of Nuclear Science & History
J. E. Grumbach worked for the Edenfield Electric Company.
Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. T. Asseff served in the 390th Air Service Group.
Mary Tinsley was a laboratory techinician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
R. D. Murray worked for the Tennessee Eastman Corporation at the Y-12 Plant.