National Museum of Nuclear Science & History
R. B. Jacobs worked for the Kellex Corporation at the K-25 Plant.
Coogler worked at the Oak Ridge project site during the Manhattan Project as a member of the U.S. Army Corps of Engineers.
George Michell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. V. Appen worked for the J.A. Jones Construction Company.
