Chris Claremont, Marc Silvestri
Bill Sienkiewicz, Chris Claremont
Uncanny X-Men #221 (September, 1987)
New Mutants #25 (March, 1985)
Many bases throughout the world including his State Home for Foundlings and the Center for Homo Superior Medical Care.
formerly Ruth Aldines mind, Utopia, San Francisco Bay, California; Westcliffe, Colorado; "No-Time"; Moira MacTaggarts Mutant Research Center, Muir Island, off the coast of Scotland; Haifa; Paris, France