Self-portrait by Eadweard Muybridge, 1872, albumen silver print, from the National Portrait Gallery which has explicitly released this digital image under the CC0 license. (<a rel="nofollow" class="external free" href="https://npg.si.edu/object/npg_NPG.2007.92">https://npg.si.edu/object/npg_NPG.2007.92</a>)<br><a rel="nofollow" class="external text" href="https://library.nga.gov/discovery/fulldisplay?context=L&amp;vid=01NGA_INST:IMAGE&amp;search_scope=ImageCollections&amp;tab=ImageCollections&amp;docid=alma991698803804896">National Gallery of Art</a> gives Carleton E. Watkins as attributed photographer.
Eadweard Muybridge? Carleton E. Watkins?
1872
National Portrait Gallery