Julius L. Berrenson

H. J. Ratjen

H. J. Ratjen worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Joseph H. Heartberg

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

D. W. Bledsoe

D. W. Bledsoe worked for the Tennessee Eastman Corporation at the Y-12 Plant.

E. E. Murphy