Emmanuel Goldstein. I stand by my original reply. Although the books spells it your way, forensic phoneticists have determined that it is indeed possible for the sound produced by the 'E' in the book could easily have been produced by vocal chords using the letter 'I' as far back as 1968.
And by the way, if he had nothing to hide, why didn't George Orwell publish under his real name? Huh?