diff --git a/mediawiki/LocalSettings.d/mardi_namespaces.php b/mediawiki/LocalSettings.d/mardi_namespaces.php
new file mode 100644
index 0000000..680de60
--- /dev/null
+++ b/mediawiki/LocalSettings.d/mardi_namespaces.php
@@ -0,0 +1,21 @@
+<?php
+// Define constants for my additional namespaces.
+define("NS_FORMULA", 4200); // This MUST be even.
+define("NS_FORMULA_TALK", 4201); // This MUST be the following odd integer.
+define("NS_PERSON", 4202);
+define("NS_PERSON_TALK", 4203);
+
+// Add namespaces.
+$wgExtraNamespaces[NS_FORMULA] = "Formula";
+$wgExtraNamespaces[NS_FORMULA_TALK] = "Formula_talk";
+$wgExtraNamespaces[NS_PERSON] = "Person";
+$wgExtraNamespaces[NS_PERSON_TALK] = "Person_talk";
+
+$wgNamespaceProtection[NS_FORMULA] = array( 'overwriteprofilepages' ); 
+$wgNamespaceProtection[NS_PERSON] = array( 'overwriteprofilepages' ); 
+
+$wgGroupPermissions['sysop']['overwriteprofilepages'] = true;
+
+$wgContentNamespaces[] = NS_FORMULA;
+$wgContentNamespaces[] = NS_PERSON;
+