George P. Stanford, Jr.

Joseph Carroll

Horace A. Reeves

Horace Reeves worked for the J.A. Jones Construction Company.

Sara B. Chettkow

Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. P. Smith

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