The novel's reflexive structure, where neither Kinbote nor Shade truly holds the final word, coupled with apparent allusions to Kinbote's story in the poem, enables critics to debate multiple authorship theories for Pale Fire. These theories include the idea that Shade created Kinbote and penned the commentary himself, as well as the opposing view that Kinbote created Shade.
Brian Boyd's book
Pale Fire: The Magic of Artistic Discovery thoroughly explores the authorship and interpretive options, eventually settling on a thesis involving intervention in the text by both Shade and his daughter Hazel after their respective deaths.
Mary McCarthy, in her 1962
New Republic essay "A Bolt from the Blue" (in which she classed
Pale Fire "one of the great works of art of the century"), identified the book's author as Professor V. Botkin. Nabokov himself endorsed this reading, including in a list of possible interview answers at the end of his 1962 diary, "I wonder if any reader will notice the following details: 1) that the nasty commentator is not an ex-king and not even Dr. Kinbote, but Prof. Vseslav Botkin, a Russian and a madman ..." ==Cultural influences==