F. O. Doughty

A. P. Stebbins

A. P. Stebbins worked for the J.A. Jones Construction Company.

John R. Klein

John Klein was a member of the Special Engineering Detachment. He worked at the Metallurgical Lab at the University of Chicago and at Los Alamos.

V.W. Shell

John H. Smith

John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.