Union General <a href="https://en.wikipedia.org/wiki/Charles_Devens" class="extiw" title="en:Charles Devens">Charles Devens</a> (with long beard) and staff
Unknown author<span style="display: none;">Unknown author</span>
File from <i><a rel="nofollow" class="external text" href="https://archive.org/stream/photographichist04mill#page/n254/mode/1up">The Photographic History of The Civil War in Ten Volumes: Volume Four, The Cavalry</a></i>. The Review of Reviews Co., New York. 1911. p. 254.<br> *Note: The source erroneously states that this is <a href="https://en.wikipedia.org/wiki/Thomas_Devin" class="extiw" title="w:Thomas Devin">Thomas Devin</a>