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

Margaret H. Rand

Chicago, IL

Margaret Rand was a research assistant in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Thomas H. Fithian

Tinian Island

Thomas H. Fithian served in the 320th Air Engineering Squadron.

Karl Fischer

Oak Ridge, TN

Rollin L. Flanagin

Tinian Island

Rollin L. Flanagin served in the 1st Ordnance Squadron.