Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

J. Seppanen

Project StaffHanford, WA

Manhattan Project VeteranProject Worker/Staff

Related Profiles

Leonard Kolesky

Tinian Island

Leonard Kolesky served in the 390th Air Service Group. 

H. G. Singleton

Oak Ridge, TN

H. G. Singleton worked for the Roane-Anderson Company.

Marion Hay

Y-12 Plant

Marion Hay worked for the Tennessee Eastman Corporation at the Y-12 Plant.

G. H. Greager

T-Plant/200 Areas

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