National Museum of Nuclear Science & History
MacDonald worked for Stone and Webster Engineering Corporation.
Sotero Romero was a staff worker at Los Alamos during the Manhattan Project.
Chester S. Krajczynski served in the 603rd Air Engineering Squadron.
Robert E. McCurley served in the 320th Troop Carrier Squadron.
Rudolph H. Gerken served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.
