Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

J. Seppanen

Project StaffHanford, WA

Manhattan Project VeteranProject Worker/Staff

Related Profiles

J. M. Allen

Y-12 Plant

J. M. Allen worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Philipp H. Klein

Columbia University

Philipp Klein was a part-time switchboard operator in the SAM Lab while studying chemical engineering at Columbia University.

Ralph Gardner-Chavis

Chicago, IL

Ralph Alexander Gardner-Chavis (1922-) is a chemist and pioneer of hard plastics who worked at the University of Chicago’s Met Lab during the Manhattan Project.

William J. McLaury

Tinian Island

William J. McLaury served in the 1st Ordnance Squadron.