National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
George L. Arnold served in the 393rd Bombardment Squadron.
Augustin Romero was a staff worker at Los Alamos during the Manhattan Project.
Maybelle Panzer worked for the United States Engineer District Office.
Maguire worked in the 200 East Area at Hanford during the Manhattan Project.
