diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
index c832524622..eda32f83ce 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
@@ -3072,6 +3072,11 @@
         <email>jh@pc-21490.bc.rogers.wave.ca</email></para>
     </listitem>
     
+    <listitem>
+      <para>Jonathan Lennox
+        <email>lennox@cs.columbia.edu</email></para>
+    </listitem>
+    
     <listitem>
       <para>Jonathan Pennington
         <email>john@coastalgeology.org</email></para>