National Museum of Nuclear Science & History
Halpern worked in the United States Engineer District Office.
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.
McNeight worked in the 200 East Area at Hanford during the Manhattan Project.
G. C. Steele worked for the Tennessee Eastman Corporation at the Y-12 Plant.