Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Raphael Semmes

Project StaffX-10 Graphite Reactor

Oak Ridge, TN
Manhattan Project VeteranProject Worker/Staff
The X-10 Graphite Reactor at Oak Ridge

Raphael Semmes worked for Clinton Laboratories at the X-10 Reactor.

Related Profiles

Roy D. Kuhner

Tinian Island

Roy D. Kuhner served in the 1st Ordnance Squadron.

Malcolm McEwen

Oak Ridge, TN

Malcolm McEwen worked for the United States Engineer District Office.

Winston Grice

Chicago, IL

Winston Grice was a millwright at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Winford D. Crossland

K-25 Plant

Winford D. “Doug” Crossland was a design engineer at the K-25 Plant at Oak Ridge, TN during the Manhattan Project and a member of the Special Engineer Detachment.