National Museum of Nuclear Science & History
Fry worked in the United States Engineer District Office.
R. O. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Ralph worked at the 300 Area at Hanford during the Manhattan Project.