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

Luis Romero

Los Alamos, NM

Luis Romero was a staff worker at Los Alamos during the Manhattan Project.

Horace R. Hood

Oak Ridge, TN

Horace Hood set up equipment for the J.A. Jones Construction Company in Oak Ridge, Tennessee. He and his family lived in Kingsport, Tennessee while Hood commuted to Oak Ridge through a series of security checkpoints each day.

Robert H. Pratt Jr.

Tinian Island

Robert H. Pratt Jr. served in the 393rd Bombardment Squadron.

Robert Lee Walker

Chicago, IL

Robert Lee Walker was an American physicist. Walker was born in 1919 in Saint Louis. He received a B.