Schöpfer
Chris Claremont, Marc Silvestri
Bob Mcleod, Chris Claremont
Base
Xavier Institute, Salem-Center, Westchester County, New York
(Strom) X-Factor Untersuchungen, New York City (ehemaligen) Professor Xaviers School of Gifted Youngsters, Salem-Center, Westchester County, New York; Muir Island, Schottland; X-Factor-Zentrale, Embassy Row, Washington, DC; X-Factor-Hauptquartier, New Yo