Thomas J. Ryan is the former president of the Central Delaware Civil War Round Table, and a longtime member of the Gettysburg Foundation and the Civil War Trust. He has published more than 125 articles and book reviews on Civil War subjects, many dealing with intelligence operations, and writes a weekly column called “Civil War Profiles” for Coastal Point, a Delaware newspaper. He is the author of Essays on Delaware during the Civil War: A Political, Military and Social Perspective (2012). Ryan served three years in the United States Army and more than three decades with the U.S. Department of Defense in various intelligence operations-related capacities. Now retired, he and his wife live in Bethany Beach, Delaware. He is the author of Spies, Scouts, and Secrets in the Gettysburg Campaign: How the Critical Role of Intelligence Impacted the Outcome of Lee's Invasion of the North, June-July 1863.