Bob Mcleod, Chris Claremont
Chris Claremont, Paul Smith
(Saiki) Investigations X-Factor, New York City (mantan) Professor Xaviers Sekolah wasis Nom, Salem Center, Westchester County, New York; Muir Island, Skotlandia, markas X-Factor, Embassy Row, Washington, DC, X-Factor Pusat, New Yo
The Xavier Institute, Salem Center, Westchester County, New York State, (mantan) The Alley (ngisor Manhattans lumahing), X-Factor Apa starships sentient