National Museum of Nuclear Science & History
Charles Mignon worked for the Kellex Corporation at the K-25 Plant.
Reuben McCord was a chemist who worked at several Manhattan Project sites. After graduating from Erskine College in South Carolina, he was recruited to work at the University of Chicago Metallurgical laboratory.
F. Snodgrass worked for the Roane-Anderson Company.
Hensley worked for the Stone and Webster Engineering Corporation.