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

Rachel Erlanger

Jersey City, NJ

Rachel “Rae” Erlanger worked on the Manhattan Project for the Kellex Corporation. She grew up in New York City.

Maybelle A. Panzer

Oak Ridge, TN

Maybelle Panzer worked for the United States Engineer District Office.

J. K. Adams

Hanford, WA

Edward F. Kolley

Chicago, IL

Edward F. Kolley was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.