P. E. Loew

M. J. McDaniel

M. J. McDaniel worked for Clinton Laboratories at the X-10 Reactor.

J. F. Downing

E. L. Maier

Maier worked for Stone and Webster Engineering Corporation.

George W. Marquardt

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.