National Museum of Nuclear Science & History
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.
Gahan worked in the United States Engineer District Office.
Virgil I. Mann served in the 320th Troop Carrier Squadron.
Alexander worked at the 100 D Area at Hanford during the Manhattan Project.
