National Museum of Nuclear Science & History
E. H. McDaniel worked for the Edenfield Electric Company.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
Harold Tebo worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Nelson worked at the 300 Area at Hanford during the Manhattan Project.
Richard Claassen was a research assistant at the SAM Lab at Columbia University from 1944 to 1946. While there, he built and used fluidic systems to test for unusual leaks in diffuser tubes.