National Museum of Nuclear Science & History
Don Simpson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
S. B. Gage worked for the Kellex Corporation at the K-25 Plant.
Leonard worked in the 300 Area at Hanford during the Manhattan Project.
E. B. Wallace worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clark worked in the United States Engineer District Office.
