Thomas E. Landvoigt, Jr.

Carol R. Shelton

Okey B. Ellison

Okey B. Ellison was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

M. E. Houser

A. A. Groppe

A. A. Groppe worked for the Tennessee Eastman Corporation at the Y-12 Plant.