Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Leonard Krouldis

Laboratory AssistantChicago, IL

Manhattan Project VeteranProject Worker/Staff

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

Related Profiles

Edward H. Fieder

Los Alamos, NM

A. C. Cox

T-Plant/200 Areas

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

Lyle J. Smith

Oak Ridge, TN

Lyle Smith worked for the United States Engineer District Office.

J.R. Gamble

Hanford, WA