National Museum of Nuclear Science & History
E. D. Henson worked for the Roane-Anderson Company.
Roderick E. Legg served as a sergeant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
E. P. Marguerat worked for the Union Carbide & Carbon Corporation.
Arthur Weisberg was a mechanical engineer with the Special Engineer Detachment assigned to the Metallurgical Lab at the University of Chicago.
