Man at left, on horseback, identified as Arthur Simpson (brother of W.S. Simpson, DuPont employee). Man at right with gun cradled in arms is identified as Robert Divinnell.
Written caption: "After the Explosion at Duponts mills, Wilmington, October 7th, Delawarr, 1890. 10 Killed. 1 (ditto) by horse. William F. Donahoe." Image is bordered by newsprint or other printing.