National Museum of Nuclear Science & History
F. M. Downs worked for the J.A. Jones Construction Company.
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.
Beth Olds was a secretary at the University of Chicago Met Lab and at Oak Ridge, Tennessee. After the war, she became executive secretary for the Emergency Committee of Atomic Scientists and the Atomic Scientists of Chicago, publishers of the Bulletin of the Atomic Scientists.
R. G. Cooper worked for the Union Carbide & Carbon Corporation.
