Re: The Curator.... Who is he? (SPOILERS for "The Day of the Doctor")
Or he could just be a human Curator that we'll never see again.
The greatest science fiction series of all time is
Doctor Who! And I'll take you all on, one-by-one
or all in a bunch to back it up!"
--- Harlan Ellison, from his introduction
to the PINNACLE series of Doctor Who books