National Museum of Nuclear Science & History
Fred Oetzman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Selma Shupp was a technician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Conen served as a first lieutenant in the 393rd Bombardment Squadron. He participated in the mission to bomb Hiroshima as a flight engineer for the Top Secret.
Ralph B. Larsen was a machinist at Los Alamos during the Manhattan Project. His wife, Ruth Anderson, also worked at Los Alamos.
