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

Harold B. Nilling

Chicago, IL

Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. A. Elkins

Oak Ridge, TN

J. A. Elkins worked for the Edenfield Electric Company.

E. L. Robinson

Oak Ridge, TN

E. L. Robinson worked for the H. K. Ferguson Company.

Lloyd J. Reeder

Nagasaki Mission

Reeder served as a sergeant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.