Alva J. Cross

J. A. Larkin

Robert C. Hirt

Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

D. F. Pierce

D. F. Pierce worked for the Tennessee Eastman Corporation at the Y-12 Plant.

H. W. Blanc

H. W. Blanc worked for the Roane-Anderson Company.