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

John L. Tucker

Los Alamos, NM

John Tucker was a member of Project Alberta, dedicated to the ensuring that an atomic bomb device could be dropped by an aircraft.

Vincent A. Pardo

K-25 Plant

Attended Cornell University.

C.K. Smith

Hanford, WA

F. A. Inda

Oak Ridge, TN

F. A. Inda worked for the United States Engineer District Office.