Seth Coy

Patricia Hansard

Patricia Hansard worked as a “cubicle girl” in the Y-12 Plant from 1943 until the end of the war.

R. B. Lewis

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.

W. A. Halteman

Halteman worked at the 100-D Area at Hanford during the Manhattan Project.