Niles Winthrop was a Natural History Museum historian.
Bruce Wayne and Alfred Pennyworth take the knife for inspection to Dr. Winthrop. He is soon joined by his grandson, Alex, who takes an interest in the knife as well and set to give him the information the next day. That night, Niles discovers a message from the symbols with something related to "The Demon's Head". According to a legend, a man had the ability to resurrect himself and went by the name of "Ra's al Ghul". Then, Ra's al Ghul arrives looking for the knife. Niles has Alex hidden and when he refuses to give the location, gets his neck snapped by Ra's.