The following photographers are known to have visited 
                            Camp Robinson [in 1877]:
                          1.) 
                            Unidentified Photographer, January 1877
                            Newspaper reporter Robert Strahorn visited Camp Robinson 
                            and the nearby Red Cloud Agency in late January 1877, 
                            traveling with General Crook. He noted that a small 
                            log cabin studio was in operation at Camp Robinson 
                            near the post trader's store and doing a good business 
                            in producing portraits for the natives. The name of 
                            this photographer is not known nor how long he stayed. 
                            Could he still have been there four months later when 
                            Crazy Horse surrendered? 
                          There 
                            is one small carte-de-vista print known in the collection 
                            of the Nebraska State Historical Society bearing the 
                            imprint "Hamilton & Smith's Gallery of Art, 
                            Red Cloud Agency, Nebraska." We do not know if 
                            this is that unknown photographer. The background 
                            in this image incidentally does not match the Crazy 
                            Horse tintype.
                         
                        
2.) 
                            James H. Hamilton (c1833-1897), photographer from 
                            Sioux City, Iowa, at Red Cloud and Spotted Tail Agencies, 
                            August to September 1877.
                         
                         
                          Hamilton 
                            was at the agencies during the period that Crazy Horse 
                            was there and did produce a number of Indian portraits, 
                            though mostly of Brule at the Spotted Tail Agency. 
                            Hamilton did include on his list of images a portrait 
                            labeled "104. Crazy Horse." An example of 
                            this image with the negative number marked on it has 
                            not been found yet. However, at least one image in 
                            the Hamilton series is known with the name Crazy Horse 
                            handwritten on the reverse; it has been shown to actually 
                            be of a Pawnee named "Chak-ur-t-kee", an 
                            image actually made by Byron Gurnsey and later reprinted 
                            by Hamilton. There still may be a Hamilton image out 
                            there waiting to be discovered. However, of the number 
                            of Hamilton Indian portraits from the agencies from 
                            1877 that are known, none of them have the backdrop 
                            visible in the Crazy Horse tintype; Hamilton instead 
                            used a blanket, tree branches and other props in his 
                            temporary studio.
                          3.) 
                            Private Charles Howard, 4th Infantry, at Camp Robinson 
                            Sept. 30 to October 4 and from Oct. 25 to Oct. 28, 
                            1877. Crazy Horse had already died by this time, so 
                            he could not be the photographer. Only one image showing 
                            a backdrop is known by Private Howard. It dates to 
                            the 1878-80 period and is different than the Crazy 
                            Horse tintype.
                          4.) 
                            David Rodocker (1840-1919), from Winfield, Kansas, 
                            passed through the Red Cloud Agency in October 1877, 
                            after Crazy Horse died. All of his stereocards are 
                            outdoor views; no Indian portraits are known. The 
                            backdrops in his known portraits from Winfield, Kansas, 
                            do not match the Crazy Horse tintype.
                          5.) 
                            D. S. Mitchell (1838-1929) was a traveling photographer 
                            with his partner Joseph McGowan in the fall of 1877, 
                            having just shut down his studio in Cheyenne. We do 
                            not have any independent evidence to document that 
                            he visited the Red Cloud Agency, however, he produced 
                            a set of 38 portraits of Oglala and Arapahoe men and 
                            women from the Red Cloud Agency in the fall of 1877. 
                            He had a painted backdrop, however, it is different 
                            than the one appearing in the Crazy Horse tintype. 
                            And he does not list a portrait of Crazy Horse in 
                            his catalog of views; seems he would have had he taken 
                            one. The fact that the Oglala headmen are wearing 
                            their Grant peace medals suggest that the portaits 
                            were made after the delegation had returned from Washington 
                            D. C. in October 1877, after Crazy Horse died.
                          CONCLUSION:
                         
                         
                          The 
                            historical record documents that at least five different 
                            photographers passed through Camp Robinson and the 
                            Red Cloud Agency in 1877. Of these, only one -- James 
                            Hamilton -- can be shown to have been there during 
                            the period that Crazy Horse was also there. None of 
                            the backdrops used by four of the photographers (the 
                            fifth one is not known) match the Crazy Horse tintype.
                          So, 
                            just based on the information we have about the photographers, 
                            the timing of their visits and their known backdrops, 
                            I find it highly unlikely that the tintype discussed 
                            was taken at Camp Robinson in 1877.
                           
                            — Ephriam Dickson