<a href="https://en.wikipedia.org/wiki/Charles_Davenport" class="extiw" title="w:Charles Davenport">Charles Davenport</a>, American biologist and eugenicist, at the Second International Congress of Eugenics, 1921.
Unknown photographer
1921
"The Second International Congress of Eugenics," <i>The Scientific Monthly</i> 13:5 (Nov 1921), pg. 479.