G. E. Avery

Leo P. Hassen

Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Ervin J. Wyskochil

Jas W. Reed, Jr.

Jas Reed, Jr.

R. C. Hutcherson

R. C. Hutcherson worked for the J.A. Jones Construction Company.