Karl Theodor Henrichsen
<bdi><a href="https://www.wikidata.org/wiki/Q11988112" class="extiw" title="d:Q11988112"><span title="Danish-Norwegian photographer (1819-1900)">Marcus Selmer</span></a>
</bdi>
CC BY-SA 4.0
Oslo Museum: image no. <a rel="nofollow" class="external text" href="http://www.digitaltmuseum.no/things/bilde/OMU/OB.F16023a">OB.F16023a</a>, via digitaltmuseum.no.