Phillip S. Greenwalt is the co-founder of Emerging Revolutionary War and historical editor for the Emerging Revolutionary War Series. He is also a full-time contributor to Emerging Civil War. Phillip is the co-author of A Single Blow: The Battles of Lexington and Concord and the Beginning of the American Revolution, April 19, 1775, with Robert Orrison and three books in the Emerging Civil War Series. He is currently a park ranger for the National Park Service.
Robert Orrison is co-founder of Emerging Revolutionary War and has worked in the public history field for more than 25 years. He serves as the Division Manager for the Prince William County (VA) Office of Historic Preservation. His works include A Single Blow: The Battles of Lexington and Concord and the Beginning of the American Revolution, A Want of Vigilance: The Bristoe Station Campaign, The Last Road North: A Guide to the Gettysburg Campaign, 1863, and To Hazard All: A Guide to the Maryland Campaign, 1862.