"Marek graybeard sideways", a self-portrait of User:Mareklug, active on over 92 Wikimedia projects (single unified logon, SUL); photo taken in 2013.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/34670352@N07">mareklug</a>
CC BY-SA 4.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/mareklug/14083956897/">Marek greybeard sideways</a>