The tag displays the username of the person who published the fact.
You can use this tag in html mode only. At the very beginning of the html text you may type <advancedparser/> followed by the tag <loadmodule latestchanges/>.
Metainfo:
Author: factline Webservices GmbH; Published by: factline Webservices (factline8) factID: 1504554.4 (...history); published on 21 Sep. 2010 10:17