Pencipta
Dave Cockrum, Len Wein
  
Dave Cockrum, Len Wein
  
Mendasarkan
Xavier Institute, Salem Pusat, Westchester County, New York State
  
(Saat ini) Profesor Charles Xaviers Institute for Higher Learning, Salem Pusat, Westchester County, New York (mantan) Muir Isle, Skotlandia ,; loteng di Soho, Manhattan, Ust-Ordynski Kolektif, Danau Baikal, Siberia, Uni Soviet, X-Men Markas di Austra