Occupation
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Mutant leader, mutant rights activist, geneticist, teacher, adventurer, heir, formerly headmaster, soldier (US Army)
Base
The Xavier Institute, Salem Center, Westchester County, New York State, (former) The Alley (beneath Manhattans surface), X-Factor Is sentient starship
Formerly Utopia, San Francisco Bay, California; Genosha; Xavier Institute, Salem Center, Westchester County, New York; Imperial Palace, Chandilar, Shiar Empire; Columbia University, Manhattan, New York City, New York