Mildred Thompson

W. W. Pardon

W. W. Pardon worked for the Roane-Anderson Company.

James Downey

James Downey was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

George B. Tillotson, Jr.

H. L. Browne

Browne worked in the United States Engineer District Ofice.