National Museum of Nuclear Science & History
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.
R. G. Humphries worked for the United States Engineer District Office.
Esther Stenstrom arrived at Oak Ridge in 1943, after she and her husband were picked to work in the secret city.
