Chris Claremont, Herb Trimpe
Chris Claremont, Paul Smith
Xavier Institute, Salem Pusat, Westchester County, New York sebelumnya Braddock Manor, Inggris Raya; Outback Australia
Xavier Institute, Salem Pusat, Westchester County, New York State, (mantan) The Alley (di bawah Manhattans permukaan), X-Factor Apakah kapal luar angkasa hidup