National Museum of Nuclear Science & History
W. F. Gibson worked for the Roane-Anderson Company.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
J. J. Donovan worked for the H. K. Ferguson Company.
Betty Mokstad was a laboratory technician in the Chemistry Division at the University of Chicago Met Lab.
Kittrell worked for Stone and Webster Engineering Corporation.