Photographing the Battle of Gettysburg, O’Sullivan’s Harvest of Death

Timothy O’Sullivan, A Harvest of Death, 1863, albumen print, 17.2 × 22.5 厘米, illustration in Alexander Gardner’s Photographic Sketchbook of the War, 1866 (Library of Congress)

博士之間的對話. Kimberly Kutz Elliott and Dr. 史蒂文糖