National Museum of Nuclear Science & History
P. T. Covington worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Donald William Kerst is an American physicist known for his development of the betatron in 1940 and the Water Boiler Reactor at Los Alamos during the Manhattan Project.
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.
Mildred Johnston worked for the J.A. Jones Construction Company.
