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

Robert L. Higgins

K-25 Plant

Attended New York University.

Robert E. Benbrook

Tinian Island

Robert E. Benbrook served in the 393rd Bombardment Squadron. 

G. H. Giboney

Y-12 Plant

G. H. Giboney worked for the Tennessee Eastman Corporation at the Y-12 Plant.

A. E. Harmon

Hanford, WA