National Museum of Nuclear Science & History
A. L. Barber worked for the H. K. Ferguson Company.
V. C. Kelsey worked for the Roane-Anderson Company.
Mann worked in the 200 West Area at Hanford during the Manhattan Project.
David Greenglass (1922-2014) was a machinist and member of the Special Engineer Detachment who engaged in espionage activities for the Soviet Union at Los Alamos during the Manhattan Project.
Frank Harrison worked for the Tennessee Eastman Corporation at the Y-12 Plant.