Terry S. Reynolds is professor of history at Michigan Technological University. He has authored or edited several books including Stronger than a Hundred Men: A History of the Vertical Water Wheel and The American Engineer.Virginia P. Dawson is president of History Enterprises, Inc. She is the author of several institutional histories, including Engines and Innovation: Lewis Laboratory and American Propulsion Technology, Lincoln Electric, A History, and co-author of With One Voice: The Association of American Medical Colleges, 1876–2002.