diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
index 95fa9ada46..59b588419b 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
@@ -2536,6 +2536,11 @@
davem@jenolan.rutgers.edu
+
+ David Shane Holden
+ dpejesh@yahoo.com
+
+
David Siebörger
drs@rucus.ru.ac.za