Fred L. Alexander

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.

P. F. Elliott

P. F. Elliott worked at the 200 West Area at Hanford during the Manhattan Project.

E. M. Kelman

E. M. Kelman worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Mary O’Herron