National Museum of Nuclear Science & History
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Roy Vankirk was a staff worker at Los Alamos during the Manhattan Project.
Seager worked for Stone and Webster Engineering Corporation.
Theodore J. Neubert was a research associate in the graphite research section at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
