Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

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.

Related Profiles

Virginia J. Olsson

Oak Ridge, TN

Virginia Olsson worked as a secretary (today the term would be ‘administrative assistant’) first with Colonel J.

William H. Bolles

Tinian Island

William H. Bolles served in the 320th Troop Carrier Squadron. 

Todd Kleinsteuber

K-25 Plant

Attended the University of Kansas City.

Frederick Trapnell

Chicago, IL

Frederick Trapnell was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.