National Museum of Nuclear Science & History
H. L. Roland worked for the Midwest Piping and Supply Company.
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.
F. E. Clark worked for the Tennessee Eastman Corporation at the Y-12 Plant.
