National Museum of Nuclear Science & History
F. D. Ramos worked for the Kellex Corporation at the K-25 Plant.
Roman Vigil was a staff worker at Los Alamos during the Manhattan Project.
J. R. Hatfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
O. W. Childs worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Greening worked in the United States Engineer District Office.
