Timothy H. O'Sullivan, by Alexander Gardner, c. 1863, Albumen silver print, National Portrait Gallery, Smithsonian Institution. Note: Timothy O’Sullivan (1840–1882) and his brother-in-law, William Pywell (1843–1886), also got their start with Brady. O’Sullivan teamed up with Gardner both at Antietam and Gettysburg and later had a successful career on his own. After the war, Pywell traveled west with Gardner to photograph the plains and the Native Americans living there.
Alexander Gardner
circa 1863 <div style="display: none;">date QS:P,+1863-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external free" href="https://npg.si.edu/object/npg_NPG.2007.94">https://npg.si.edu/object/npg_NPG.2007.94</a>