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

Ples M. Cheek

Tinian Island

Ples M. Cheek served in the 1st Ordnance Squadron. 

Roderick W. Spence

Los Alamos, NM

Roderick W. Spence was an American physical chemist who worked on the Manhattan Project at Los Alamos.

P. F. Elliott

T-Plant/200 Areas

P. F. Elliott worked at the 200 West Area at Hanford during the Manhattan Project.

John Nomerding

Chicago, IL

John Nomerding was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.