National Museum of Nuclear Science & History
Hildebrand worked for Stone and Webster Engineering Corporation.
G. A. Nenstiel worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clyde R. Emery worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Willis Fred Greene worked at the Y-12 Plant in Oak Ridge, TN during the Manhattan Project.