Watercolor portrait of Ada King, Countess of Lovelace (Ada Lovelace)
<bdi><a href="https://en.wikipedia.org/wiki/en:Alfred_Edward_Chalon" class="extiw" title="w:en:Alfred Edward Chalon"><span title="British artist (1780-1860)">Alfred Edward Chalon</span></a>
</bdi>
circa 1840 <div style="display: none;">date QS:P571,+1840-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external text" href="https://collection.sciencemuseum.org.uk/objects/co67823">Science Museum Group</a>