In Comics
X-Men #1 (September, 1963)
The X-Men #49 - Who Dares Defy The Demi-Men?
Occupation
Leader of mutant race, adventurer, headmaster, former student, radio announcer
Adventurer, former U.S.
Base
Xavier Institute, Salem Center, Westchester County, New York
Serval Industries, Virginia; formerly X-Factor Investigations Headquarters, Starjammer; Xavier Institute for Higher Learning, Salem Center, Westchester County, New York; Genosha; X-Factor HQ, Washington D.C., Maryland; Mutant Research Center, Muir Island;