National Museum of Nuclear Science & History
Gene Hall worked for the Union Carbide & Carbon Corporation.
Okey B. Ellison was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Charles Crichfield worked as an elctrician in Oak Ridge, Tennessee from 1943 to September 1945. Crichfield's brother Paul and father P.
Leo J. Czaja served in the 603rd Air Engineering Squadron.