National Museum of Nuclear Science & History
John Luttrell worked for the United States Engineer District Office.
Grace Thompson was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
Harvey North was a staff worker at Los Alamos during the Manhattan Project.
Hayes worked in the United States Engineer District Office.
