National Museum of Nuclear Science & History
S. W. Barnes worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Mathis worked for Stone and Webster Engineering Corporation.
Watkins worked at the 100-B Area at Hanford during the Manhattan Project.
F. A. Wahlers worked for the Tennessee Eastman Corporation at the Y-12 Plant.