Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Ralph C. Berger

Technical SergeantTinian Island

Wendover, UT
509th Composite GroupManhattan Project VeteranMilitary Veteran
North Airfield at Tinian Island.

Ralph C. Berger served in the 603rd Air Engineering Squadron. 

Related Profiles

Delmar E. Russell

Oak Ridge, TN

Delmar Russell worked for the United States Engineer District Office. He arrived in February 1943.

Leo P. Hassen

Chicago, IL

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

J. V. Clatworthy

T-Plant/200 Areas

Clatworthy worked at the 200 West Area at Hanford during the Manhattan Project. 

Carl C. Mason

Tinian Island

Carl C. Mason served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Up An’ Atom.