The creator information isn't set on the $searchText information. You'll have to get it from the
The record is looked up in this line
<?php $record = get_record_by_id($searchText['record_type'], $searchText['record_id']); ?>
So anywhere after that you can look up that metadata with
$creator = metadata($record, array('Dublin Core', 'Creator'));
and do whatever checks you need to echo with where you want..