National Museum of Nuclear Science & History
N. Berini worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Horan worked at the 200 West Area at Hanford during the Manhattan Project.
W. T. Simpson worked for the Roane-Anderson Company.