Who is Arthur Koenig from The Prestige and what is their importance? The_Prestige English & Literature Arthur Koenig | The Prestige

Arthur is a reporter who meets with Angier to interview him on his performance. In the midst of the interview, he asks about Angier's theory that Borden is using a double in his show. He reveals that he has confirmation that Borden has no twin and provides Angier with a great deal of information for Angier to use to dig up the truth about the illusion of the New Transported Man.