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Christopher Maslanka (Author)
Puzzle writer and broadcaster Chris Maslanka is the Enigmatist of St Catherine´s College, Oxford.

Steve Tribe (Author)
Steve Tribe is the author of Sherlock: Chronicles, Doctor Who: The TARDIS Handbook, Doctor Who: Companions and Allies and Doctor Who: The Time Traveller´s Almanac and, with James Goss, of The Doctor: His Lives and Times, Doctor Who: A History of the Universe in 100 Objects and Doctor Who: The Dalek Handbook. He has compiled three University Challenge quiz books and edited more than 500 books, short stories and audio dramas.

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