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

Clarke C. Mathison

Tinian Island

Clarke C. Mathison served in the 320th Troop Carrier Squadron.

D. S. Wilkinson

T-Plant/200 Areas

Wilkinson worked at the 200 West Area at Hanford during the Manhattan Project. 

C. Steelman

Hanford, WA

A. G. Milan

Oak Ridge, TN

A. G. Milan worked for the J.A. Jones Construction Company.