Dr. Charles Fennell is an adjunct faculty member of Harrisburg Community College at the Gettysburg Center as well as a Licensed Battlefield Guide for Gettysburg NMP. He holds degrees from Frostburg State University, Clarion University of Pennsylvania, and earned his Ph.D. in American History from West Virginia State University. He is a popular speaker and instructor on the American Civil War and the Battle of Gettysburg.

Eric A. Campbell is a Park Ranger-Interpreter at Gettysburg National Military Park. He is well-known for his in-depth interpretive field programs at Gettysburg and has authored numerous articles on the battle there.

Mark Snell is the Director of the Center for the Study of the Civil War at Shepherd College. He served with the U.S. Army from 1977-1990, and was the Assistant Professor in the Department of History at the U.S. Military Academy. He is currently the editor of the journal Civil War Regiments, and is at work on a biography of Union General William B. Franklin.

Michael Phipps is a graduate of the Gilmore School and John Hopkins University. He served as a light infantry officer with the U.S. Army and Maryland Army National Guard and also as a police officer in Baltimore County, Maryland. He has been a licensed battlefield guide at Gettysburg NMP for ten years, and is the author of, "The Devil's To Pay": General John Buford, USA, and, "Come on, You Wolverines": Custer at Gettysburg.

Kavin Coughenour is a retired colonel of the U.S. Army. His 26 year career included service with Special Forces and as an army historian with the U.S. Army Center for Military History. In the latter position he specialized in 19th century warfare with a special concentration on the campaigns of the Army of the Potomac. Since his retirement he has been a Licensed Battlefield Guide at Gettysburg National Military Park.

Karlton Smith is a Park Ranger-Interpreter at Gettysburg National Military Park. Before joining the staff there he worked as a historical interpreter at Independence National Historic Park in Philadelphia from 1986 to 1990.

Bert Barnett is presently a park ranger/historian at Gettysburg NMP. He has also worked at Shiloh NMP, Stones River NB, and Jefferson Expansion NHS. His interest in Civil War artillery stems from his experience at Stones River, where he served on the park's living history gun crew from 1982-1985.

D. Scott Hartwig is Supervisory Historian at Gettysburg National Military Park. In 1993 he was formally recognized for his talents by winning the Park Service's Freeman-Tilden Award for Excellence in Interpretation for the Mid-Atlantic Region. He is a popular author and lecturer.

Greg Coco is the author of numerous books and articles on the Civil War including Vast Sea of Misery and A Strange and Blighted Land. He served as an infantryman in Vietnam where he was wounded twice and awarded a bronze star in 1968. He works as a Licensed Battlefield Guide at Gettysburg NMP and as a seasonal employee with the National Park Service.