National Museum of Nuclear Science & History
J. R. Smith worked for the Roane-Anderson Company.
Edward E. Kregar served in the 1st Ordnance Squadron.
John Manthey worked for the United States Engineer District Office.
Leinberger worked in the 200 W Area at Hanford during the Manhattan Project.
J. T. Calvert worked for the Union Carbide & Carbon Corporation.
