National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Julius Sirota was an Americah chemist. He worked for the Substitute Alloy Materials on the Manhattan Project at Columbia University.
Philip E. Kammerer served in the 1st Ordnance Squadron.
Edith Levin worked for the United States Engineer District Office.
Brackett worked in the United States Engineer District Office.