please give a warm welcome to scott hardwick. [applause] >> ok. here is what some of the ,eterans had to say about them he knows more about this battle than any man living or any man who ever did live. he can tell more of what i did there and i can tell myself. if you are not familiar with him, he was the commander of the 12 army corps at gettysburg. "i became acquainted a few months after the battle of gettysburg. i consider him the best authority in this country as regard to detail with that action. he's sketched every part of the field and is familiar with the whole of it. that is the kernel of the 33rd -- writing in 1860. lastly, the kernel of the reader -- the kernel of the 33rd in the battle of gettysburg writing to the governor of massachusetts in he knows more of the battle of gettysburg that any officer on it in either side. he was not in the battle of gettysburg. he was not a soldier. bachelder is perhaps the most important person gettysburg you may never have heard of. who then was john bachelder? why is he important to gettysburg and w

next on the civil war, scott hardwick, a former supervisory historian at gettysburg national military park talks about the leading historian of the battle of gettysburg in the late 19th century who