Creator
Bob Mcleod, Chris Claremont
Curt Swan, Gerry Conway, Stan Lee, Steve Ditko
Base
(current) X-Factor Investigations, New York City (former)Professor Xaviers School of Gifted Youngsters, Salem Center, Westchester County, New York; Muir Island, Scotland; X-Factor headquarters, Embassy Row, Washington, D.C.; X-Factor Headquarters, New Yo
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