W. J. Williams

Daniel J. Keefe

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

H. A. Killebrew

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

Onal B. Berry

H. C. Fistere

H. C. Fistere worked for the Watson-Flagg Engineering Company.