diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
index b33cda7c30..f74b2392d1 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
@@ -4132,6 +4132,11 @@
 	<email>jin@george.lbl.gov</email></para>
     </listitem>
 
+    <listitem>
+      <para>Jin-Shan Tseng
+        <email>tjs@cdpa.nsysu.edu.tw</email></para>
+    </listitem>
+
     <listitem>
       <para>Joachim Kuebart
 	<email>kuebart@mathematik.uni-ulm.de</email></para>