Herbert H. Harwood, Jr., has carried on concurrent careers as a railroad historian, writer, photographer, and working railroader. He is author of The Railroad That Never Was: Vanderbilt, Morgan, and the South Pennsylvania Railroad (IUP, 2010), The New York, Westchester & Boston Railway: J. P. Morgan's Magnificent Mistake (IUP, 2008), and Invisible Giants: The Empires of Cleveland's Van Sweringen Brothers (IUP, 2003).
Robert S. Korach was elected in 1995 to the American Public Transit Association Hall of Fame. He is past president of the Association of Railway Museums.