S.G. Rivenbank

James D. Griffin

Dennis Dwyer

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

Ralph L. Rogers

Ralph Rogers worked for the Tennessee Eastman Corporation at the Y-12 Plant.

R. H. Ball

R. H. Ball worked for the Tennessee Eastman Corporation at the Y-12 Plant.