Index: workflow.module
===================================================================
--- workflow.module	(revision 430)
+++ workflow.module	(working copy)
@@ -1807,6 +1807,32 @@
   $tables[$table['name']] = $table;
 
   $table = array(
+    'name' => 'users',
+    'provider' => 'workflow',
+    'join' => array(
+      'left' => array(
+        'table' => 'workflow_node',
+        'field' => 'uid',
+       ),
+       'right' => array(
+         'field' => 'uid',
+       ),
+     ),
+    "fields" => array(
+      'name' => array(
+        'name' => t('Workflow: user who last modified workflow'),
+        'sortable' => TRUE,
+        'help' => t('Display the user who last modified the workflow state.'),
+        'handler' => 'views_handler_field_username',
+        // handler needs the following:
+        'addlfields' => array('uid'),
+        'uid' => 'uid',
+      ),
+    )
+  );
+  $tables['workflow_users'] = $table;
+
+  $table = array(
     'name' => 'workflow_states',
     'provider' => 'workflow',
     'join' => array(