Ezra Greenspan is Edmund J. and Louise W. Kahn Chair in Humanities at Southern Methodist University. Greenspan is a literary and cultural historian who studies and teaches the history of written communications and media in the United States—from manuscript and print to digitalia. He is the author of comprehensive biographies of publisher G. P. Putnam and writer-activist William Wells Brown. His current project is a multigenerational family biography to be called THE LIVES AND TIMES OF FREDERICK DOUGLASS AND HIS FAMILY: A COMPOSITE BIOGRAPHY.