National Museum of Nuclear Science & History
Walter F. Arnold was a staff member at Los Alamos during the Manhattan Project.
Leon Horton served in the 393rd Bombardment Squadron.
Dunker worked at the 100-B Area at Hanford during the Manhattan Project.
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Donald C. Richotte served in the 320th Troop Carrier Squadron.
