ALEX ROLAND is a Professor of History at Duke University, where he teaches military history and the history of technology. He previously taught at the U.S. Army War College and the U.S. Naval Academy. The author of several books, he is currently writing a biography of Robert Fulton.
W. JEFFREY BOLSTER, a maritime historian, is a Professor of History at the University of New Hampshire. His book Black Jacks: African American Seamen in the Age of Sail was a New York Times "Notable Book of the Year."
ALEXANDER KEYSSAR is the Stirling Professor of History and Social Policy at the Kennedy School of Government at Harvard University. He is the author of Out of Work: The First Century of Unemployment in Massachusetts, which won the Frederick Jackson Turner Award from the Organization of American Historians and was a New York Times "Notable Book of the Year." His 2000 book, The Right to Vote: The Contested History of Democracy in the United States, received the Beveridge Prize from the American Historical Association and was a finalist for the Pulitzer Prize.