Richard John is a historian who specializes in the history of business, technology, communications, and American political development. He teaches and advises graduate students in Columbia’s Ph.D. program in communications, and is member of the core faculty of the Columbia history department, where he teaches courses on the history of capitalism and the history of communications. His publications include many essays, eight edited books, and two monographs: Spreading the News: The American Postal System from Franklin to Morse (1995) and Network Nation: Inventing American Telecommunications (2010).