National Museum of Nuclear Science & History
Earl Smith worked for the H. K. Ferguson Company.
Cathcart worked at the 200 East Area at Hanford during the Manhattan Project.
A. B. Cardwell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Samuel Allan Kline was a student majoring in physics at the University of Chicago before going to Los Alamos to work as a physicist.
Arthur S. Olson was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
