Mac Bielecki

A.W. Spanton

Norma K. Hipple

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

E. S. Steinbach

Steinbach worked for Stone and Webster Engineering Corporation.

M. P. Shelley

M. P. Shelley worked for the Tennessee Eastman Corporation at the Y-12 Plant.