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

Polly Ayres

Oak Ridge, TN

Ayres worked in the United States Engineer District Office.

W. M. Wellman

Hanford, WA

Edgar R. Kessler

Los Alamos, NM

Anne M. Perley

Los Alamos, NM

Anne MacGregor Perley was a biochemist who worked on the Manhattan Project at Los Alamos. She was part of Louis Hempelmann’s Health Group, one of his many recruits from Washington University in St.