Active as a public historian, he has been a consultant to the Smithsonian Institution, the National Archives, the National Park Service, an off-Broadway play, and film and radio documentaries. His study, “A Marble House Divided: The Lincoln Memorial, the Civil Rights Movement, and the Politics of Memory, 1939-1963” (Journal of American History, June 1993) won best article prizes from the Organization of American Historians and from the Eugene V. Debs Foundation. He edited a one-volume abridgement of Alexis de Tocqueville’s Democracy in America (HarperCollins, 2005) and he is co-editor of the “American History and Culture” book series for New York University Press. Barbara Tischler