"Ah, yes." Names, names. Things he never used but this place had given him. "Doctor Olsen. William Olsen, if you must. Though simply Doctor works, if you don't mind." He could get away with that, couldn't he? Well, only one way to find out - try it and see if anyone says anything. "It was a joy speaking with someone as inquisitive as yourself, Mister Bates." With someone who didn't mind listening to him ramble on about his theories. "I'm sure we'll speak again, hmm?"