Melvin G. Hopkins

L. V. Keeley

Keeley worked for Stone and Webster Engineering Corporation.

Jacob Epting

Jacob Epting worked as a carpenter in Oak Ridge, TN from November 1942 to October 1943. While Epting assumed he was building a hospital, he was never formally told about the project he was working on.

Ray F. Mettelka

Ray Mettelka worked for the Tennessee Eastman Corporation at the Y-12 Plant.

May Murchisen