diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
index 91b971df26..8b57936758 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
@@ -6949,6 +6949,11 @@
 	<email>roberte@MEP.Ruhr-Uni-Bochum.de</email></para>
     </listitem>
 
+    <listitem>
+      <para>Robert Felber
+	<email>robtone@ek-muc.de</email></para>
+    </listitem>
+
     <listitem>
       <para>Robert P Ricci
 	<email>ricci@cs.utah.edu</email></para>