he location of the Antietam battlefield photo above had eluded researchers for years. Who took it and when, however, was well known. Photographers Alexander Gardner and his assistant, James Gibson, both employed by Mathew Brady, took the images on September 19, 1862, two days after the battle. This exposure was one of a series showing dead soldiers and burial parties at work that Brady exhibited in his New York gallery in October 1862. The images shocked viewers, many of whom, far removed from battle-fields, still entertained a sanitized view of
