Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Leo P. Hassen

Security GuardChicago, IL

Manhattan Project Veteran

Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Related Profiles

Marianne P. Edwards

Hanford, WA

C. E. Cabell

Research & Development/300 Area

Cabell worked at the 300 Area at Hanford during the Manhattan Project. 

L. H. Stahl

Hanford, WA

Clayton I. Vogt

Oak Ridge, TN

Clayton Vogt worked for the United States Engineer District Office.