Greg Mertz has worked for 35 years for the National Park Service and is currently the Supervisory Historian at Fredericksburg and Spotsylvania National Military Park. Raised in what is now Wildwood, Missouri, he has a degree in park administration from the University of Missouri and a masters in public administration from Shippensburg University. He has written several articles for Blue and Gray magazine, is the founding president of the Rappahannock Valley Civil War Round Table, and is a former vice president of the Brandy Station Foundation.
Timothy B. Smith (Ph.D. Mississippi State University, 2001) is a veteran of the National Park Service and currently teaches history at the University of Tennessee at Martin. In addition to many articles and essays, he is the author, editor, or co-editor of eighteen books, including Champion Hill: Decisive Battle for Vicksburg (2004), which won the nonfiction book award from the Mississippi Institute of Arts and Letters, Corinth 1862: Siege, Battle, Occupation (2012), which won the Fletcher Pratt Award and the McLemore Prize, Shiloh: Conquer or Perish (2014), which won the Richard B. Harwell Award, the Tennessee History Book Award, and the Douglas Southall Freeman Award, and Grant Invades Tennessee: The 1862 Battles for Forts Henry and Donelson (2016), which won the Tennessee History book Award, the Emerging Civil War Book Award, and the Douglas Southall Freeman Award. He is currently writing a book on the May 19 and 22 Vicksburg assaults. He lives with his wife Kelly and children Mary Kate and Leah Grace in Adamsville, Tennessee.