National Museum of Nuclear Science & History
Chellis worked for Stone and Webster Engineering Corporation.
Roscoe Charles Wilson was a United States Army Air Forces Officer. At the rank of Colonel he was the overall Project Office to the Manhattan Engineering District from June 1943 to December 1944.
L. Smith worked for the Roane-Anderson Company.
J. H. Leppert worked for the Tennessee Eastman Corporation at the Y-12 Plant.
