National Museum of Nuclear Science & History
Cass worked for Stone and Webster Engineering Corporation.
S. D. McGee worked for the Edenfield Electric Company.
Grace Thompson was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John P. McBride was a research assistant in the Chemistry Division at the Chicago Met Lab. He was later assigned to Oak Ridge, where he worked on plutonium purification and on isolating uranium-233 isotopes from thorium.
