National Museum of Nuclear Science & History
Guy Fisher worked for the J.A. Jones Construction Company.
Walter A. McKnight served in the 1027th Air Material Squadron.
G. F. Nellett worked for the Fercleve Corporation.
Hymer Friedell was the deputy medical director of the Manhattan Engineer District at Oak Ridge. He worked closely with Robert Stone and Stafford Warren in studying the effects of radiation on the human body.
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.
