National Museum of Nuclear Science & History
Heffner worked at the 200 East Area at Hanford during the Manhattan Project.
Gene Hall worked for the Union Carbide & Carbon Corporation.
Ellis Ryan was a staff worker at Los Alamos during the Manhattan Project.
W. A. Bogdanowiez worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Max W. Bradley served in the 320th Troop Carrier Squadron.