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diff --git a/hurd.mdwn b/hurd.mdwn
index 11995c87..1723c8b7 100644
--- a/hurd.mdwn
+++ b/hurd.mdwn
@@ -47,6 +47,7 @@ in the *unstable* branch of the Debian archive.
 * Introductory Material
   * [[Documentation]]
   * [Gaël Le Mignot](http://kilobug.free.fr/hurd/pres-en/slides/slides.html)
+  * [Neal Walfield](http://kerneltrap.org/node/5)
 * Architecture
   * [[Towards_a_New_Strategy_of_OS_Design|hurd-paper]] by Thomas Bushnell, BSG.
       * Marcus Brinkmann's [revisit](http://lists.gnu.org/archive/html/l4-hurd/2005-10/msg00651.html)