D. I. Graham

S. A. Gilgon

S. A. Gilgon worked for the Roane-Anderson Company.

S. L. Ashburn

S. L. Ashburn worked for the Roane-Anderson Company.

H. C. Dean

John J. Norton

John J. Norton was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.