National Museum of Nuclear Science & History
H. R. Grady worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. E. Brennan worked for the Watson-Flagg Engineering Company.
Shad Marshall worked at Los Alamos on the Manhattan Project. He was married to Natalie Marshall, who also worked on the project.
O. W. Childs worked for the Tennessee Eastman Corporation at the Y-12 Plant.
