National Museum of Nuclear Science & History
R. R. Tippy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clarence Yohn worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ernest Bray worked for the Roane-Anderson Company.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
