painting by Otto Propheter
<bdi><a href="https://www.wikidata.org/wiki/Q22980977" class="extiw" title="d:Q22980977"><span title="German portrait painter">Otto Propheter</span></a>
</bdi>
CC BY 4.0
<a rel="nofollow" class="external text" href="https://onlinesammlung.freiburg.de/de/object/853C014F43277DF0D7C00BD3FB5764E">Onlinesammlung der Städtischen Museen Freiburg</a>, Photo: Axel Killian