Daniel VermilyaDaniel J. Vermilya is a Civil War historian who works as a park ranger at Gettysburg National Military Park. He has previously worked as a park ranger at Antietam National Battlefield and Monocacy National Battlefield and is also a licensed battlefied guide at Antietam. He is the author of The Battle of Kennesaw Mountain and James Garfield and the Civil War. He lives in Frederick, Maryland, with his wife Alison. Read More Read Less