National Museum of Nuclear Science & History
A. L. Barber worked for the H. K. Ferguson Company.
John Moonan was a staff worker at Los Alamos during the Manhattan Project.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Duval Stoaks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Geffel worked at Oak Ridge as the Prime Building Contractor for Construction of the Oak Ridge facilities.