[Photographer, b. 1821, Paisley, Scotland, d. 1882, Washington, D.C.]
[My work] is designed to speak for itself. as mementos of the fearful struggle through which the country has just passed, it is confidently hoped that it will possess an enduring interest.
Verbal representations of such places or scenes may, or may not, have the merit of accuracy; but photographic presentments of them will be accepted by posterity with an undoubting faith.
Such a picture [A Harvest of Death, Gettysburg battlefield, July, 1863] conveys a useful moral: It shows the blank horror and reality of war, in opposition to the pageantry. Here are the dreadful details! Let them aid in preventing such another calamity falling upon the nation. (1866)