Elizabeth Yuko, Ph.D., is a bioethicist and journalist, as well as an adjunct professor of ethics at Fordham University. She has written for numerous publications, including Rolling Stone, The New York Times, The Washington Post and The Atlantic.

Author and historian Adam Zamoyski has written more than a dozen books on European history, including the best-selling 1812: Napoleon’s Fatal March on Moscow and his recent acclaimed biography Napoleon: A Life.

Bob Zeller has authored or co-authored 20 books, including _Lincoln in 3-D, The Blue and Gray in Black and White: A History of Civil War Photography,_and Fighting the Second Civil War: A History of Battlefield Preservation and the Emergence of the Civil War Trust. He is co-founder and president of The Center for Civil War Photography.