George Papp, Robert Bernstein
Bob Mcleod, Chris Claremont
"Adventure Comics #283 (April, 1961)"
Marvel Graphic Novel #4 - The New Mutants: Renewal
Precedentemente Krypton; in precedenza la zona fantasma; attualmente la Terra
(Correnti) Le indagini X-Factor, New York City (ex) Professore Xaviers School of Giovani Dotati, Salem Centro, Westchester County, New York; Muir Island, in Scozia; sede X-Factor, Embassy Row, Washington, DC; Sede X-Factor, New Yo