Ervin J. Wyskochil

J. J. Daly

J. J. Daly worked for the Roane-Anderson Company.

W. Maddox

W. Maddox worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. Lanz, Jr.

Mathias A. Klinger

Mathias A. Klinger was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.