Portrait of Charles Robert Richet, Nobel Prize in Physiology 1913
Unknown author<span style="display: none;">Unknown author</span>
Internet Archive identifier
<a rel="nofollow" class="external free" href="http://www.nobelprize.org/nobel_prizes/medicine/laureates/1913/richet.html">http://www.nobelprize.org/nobel_prizes/medicine/laureates/1913/richet.html</a>