National Museum of Nuclear Science & History
Parr worked in the 200 East and 100 D Areas at Hanford during the Manhattan Project.
Gordon Waters was a staff worker at Los Alamos during the Manhattan Project.
R. F. Hawk worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George H. Cohen served as a 1st lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.