Stephens' unmarked grave features prominently in the 2007 film Profit Motive and the Whispering Wind, a narration-less documentary in which filmmaker John Gianvito silently displays grave sites and historical locations of American freethinkers and leaders of American Radical political movements. Footnotes Sources Books Magazines Internet Newspapers 1821 births 1882 deaths Trade unionists from Pennsylvania American trade union leaders Political activists from Pennsylvania Activists from Philadelphia Pennsylvania Greenbacks Burials at Mount Peace Cemetery Knights of Labor people