Henry P. Blake

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.

J. A. Henderson

J. R. Morrill

J. R. Morrill worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Ernest F. Greer

Ernest Greer worked for the Tennessee Eastman Corporation at the Y-12 Plant.