Christiaan Karel Hoffmann (1841-1903), Leiden professor (veterinary sciences). Painting (from a photograph) made in 1908 by Willem Pothast (1877-1916)
<bdi><a href="https://www.wikidata.org/wiki/Q2183600" class="extiw" title="d:Q2183600"><span title="Dutch painter and graphic designer (1877-1916)">Willem Pothast</span></a>
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<a rel="nofollow" class="external text" href="http://hdl.handle.net/1887.1/item:1581764">Icones Leidenses 289 (Leiden University)</a>