National Museum of Nuclear Science & History
Calhoun worked at the 300 Area at Hanford during the Manhattan Project.
George W. Marquardt served as a captain in the 393rd Bombardment Squadron. Although he was regularly assigned to the Up An’ Atom, he flew in the mission to bomb Hiroshima as the aircraft commander of the Necessary Evil.
R. H. Eichorn worked for the Roane-Anderson Company.
N.F. Bowman was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
