National Museum of Nuclear Science & History
Grace Wallace worked for the United States Engineer District Office.
Kenneth Stewart Cole was a Principal Biophysicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
D. W. King worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.