Charles Otto Berger (Apil. 15, 1847 – January 26, 1895).
<bdi><a href="https://en.wikipedia.org/wiki/en:Theodore_C._Marceau" class="extiw" title="w:en:Theodore C. Marceau"><span title="American photographer (1859-1922)">Theodore C. Marceau</span></a>
</bdi>
<a rel="nofollow" class="external text" href="https://picasaweb.google.com/112816648846614149703/BergerWidemannFamilyPhotos#5687615910223555570">private collection</a>