National Museum of Nuclear Science & History
B. G. Greenlee worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Sawdon S. Smith served in the 603rd Air Engineering Squadron.
Joanna Brumfiel was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
