Portrait of Norwegian composer Bjarne Brustad.
<bdi><a href="https://en.wikipedia.org/wiki/en:Gustav_Borgen" class="extiw" title="w:en:Gustav Borgen"><span title="Norwegian photographer">Gustav Borgen</span></a>
</bdi>
Norsk Folkemuseum: image no. <a rel="nofollow" class="external text" href="http://www.digitaltmuseum.no/things/bilde/NF/NFB.12804">NFB.12804</a>, via digitaltmuseum.no.