National Museum of Nuclear Science & History
Lewin worked in the 100 D Area at Hanford during the Manhattan Project.
D. P. Hall worked for the J.A. Jones Construction Company.
Robert O. Nohr was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) 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.
