Thomas Hill

August “Gus” Knuth

August “Gus” Knuth was a millwright and carpenter who helped construct Chicago Pile-1. He was present on December 2, 1942 when the pile went critical in the first self-sustaining chain reaction in history.

H. H. Grant

C. K. Farris

C. K. Farris worked for the Tennessee Eastman Corporation at the Y-12 Plant.

J. E. Curran

Curran worked in the United States Engineer District Office.