National Museum of Nuclear Science & History
Jas Welch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Calderwood worked at the 200 East Area at Hanford during the Manhattan Project.
Attended Cornell University.
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.