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

Niels G. Thude

Los Alamos, NM

Niels Thude was a staff worker at Los Alamos during the Manhattan Project.

G. E. McMillan

Hanford, WA

D.M. Ellett

Los Alamos, NM

​D. M. Ellett is a mechanical engineer who joined the Manhattan Project after the end of World War II.

R. L. Bennett

Oak Ridge, TN

R. L. Bennett worked for the Roane-Anderson Company.