<p>Carbon print of a photograph of Charles Darwin.  
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Image/paper: 26.9 × 21.6 cm (10 5/8 × 8 9/16 in.); Mount: 33.8 × 28.1 cm (13 5/16 × 11 1/8 in.)
<bdi><a href="https://en.wikipedia.org/wiki/en:Julia_Margaret_Cameron" class="extiw" title="w:en:Julia Margaret Cameron"><span title="British photographer (1815–1879)">Julia Margaret Cameron</span></a>
</bdi>
circa 1868 <div style="display: none;">date QS:P,+1868-00-00T00:00:00Z/9,P1480,Q5727902</div>, printed 1875
<a rel="nofollow" class="external text" href="https://www.artic.edu/artworks/66869/charles-darwin">Alfred Steiglitz Collection reference 1949.881</a>, <a href="https://en.wikipedia.org/wiki/Art_Institute_of_Chicago" class="extiw" title="en:Art Institute of Chicago">Art Institute of Chicago</a>