National Museum of Nuclear Science & History
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
A. B. Cardwell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. K. Walden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edward Littleton was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
DeSelm worked in the United States Engineer District Office.