National Museum of Nuclear Science & History
Kerr worked for Stone and Webster Engineering Corporation.
Blanton worked at the 300 Area at Hanford during the Manhattan Project.
Nelen Supert was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.