Floyd Halein

A. P. Nicholson

Nicholson worked for Stone and Webster Engineering Corporation.

A. C. Cox

Cox worked at the 200 West Area at Hanford during the Manhattan Project. 

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.

Mary Fritzhoff