Harold W. Zang

Ewell Neil

Ewell Neil worked for the Roane-Anderson Company.

G. A. Nenstiel

G. A. Nenstiel worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Helen R. Hughes

Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Ernest Beck