L. D. McCraw

Mary M. Fair

Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.

F. C. Pullen

F. C. Pullen worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Vera Gallagher

Kenneth A. Fowler

Fowler worked in the United States Engineer District Office.