National Museum of Nuclear Science & History
W. S. Porter worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.
Joanna Brumfiel was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gillette worked in the United States Engineer District Office.
Francis O’Sullivan worked for the United States Engineer District Office.
