National Museum of Nuclear Science & History
Juan Romero was a staff worker at Los Alamos during the Manhattan Project.
Charley C. Carr served in the 393rd Bombardment Squadron.
Holeman worked at the 300 Area at Hanford during the Manhattan Project.
R. S. Amrien worked for the Union Carbide & Carbon Corporation.
Boston worked at the 200 West Area at Hanford during the Manhattan Project.