R. A. Bounds

O. N. Hall

O. N. Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.

E. J. Black

Ambroso Hoelscher

Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Majorie B. Housewright

Marjorie B. Housewright was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.