W. T. E. Elmendorf

H. S. Langley

Arthur M. Ross

Arthur M. Ross was born in Revere, MA. He attended the Massachusetts Institute of Technology. During the Manhattan Project, he served in the Special Engineer Detachment at Oak Ridge, TN at the X-10 Graphite Reactor.

J. O’Conner

J. O'Conner worked for the Midwest Piping and Supply Company.

J. E. McCook

McCook worked in the 200 West Area at Hanford during the Manhattan Project.