H. Gordan Smith

Joseph LaRocco

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

H. K. George

Karl O. Johnson

Karl Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

C. P. Vogel

C. P. Vogel worked for the Tennessee Eastman Corporation at the Y-12 Plant.