This author of Pale Fire wrote a controversial novel narrated by the literature professor Humbert Humbert, who is attracted to the title nymphet.
One of this author's short stories contains the message "Icicles by Cynthia, meter by me Sybil" in an acrostic device. In another novel by this author, a character tells the story of Gradus, an assassin sent to kill Charles II, the deposed king of Zembla. This author of "The Vane Sisters" wrote a novel presented as a 999-line poem by John Shade with commentary by editor Charles Kinbote. This author of Pale Fire wrote a controversial novel narrated by the literature professor Humbert Humbert, who is attracted to the title nymphet. For 10 points, name this Russian émigré author of Lolita.
One of this author's short stories contains the message "Icicles by Cynthia, meter by me Sybil" in an acrostic device.
Vladimir Nabokov