Leonard V. Quartararo

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. M. Nappen

H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Mona Thorpe

Willard Cox