National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Dominick Itzi was stationed at Los Alamos with the Provisional Engineer Detachment (PED) from 1944 to 1946.
Raymond Dujack was a young lab technician at the Special Alloyed Materials (SAM) Laboratories at Columbia University.
Willard E. Gaskins served in the 320th Troop Carrier Squadron.
