National Museum of Nuclear Science & History
Joe Langston worked for the J.A. Jones Construction Company.
Rene Prestwood was an American nuclear chemist. Prestwood was recruited for the Manhattan Project as a young chemist from the University of California-Berkeley.
Fischer worked in the United States Engineer District Office.
Joseph Leopold worked for the Kellex Corporation at the K-25 Plant.
Leinhart worked in the 300 Area at Hanford during the Manhattan Project.