$creator = wiki_get_user_info($version0page->userid);
$a = new StdClass;
$a->date = userdate($this->page->timecreated, get_string('strftimedaydatetime', 'langconfig'));
- $a->username = $creator->username;
+ $a->username = fullname($creator);
echo $OUTPUT->heading(get_string('createddate', 'wiki', $a), 4, 'wiki_headingtime');
if ($vcount > 0) {