The Twelve Doctors of Christmas

The Twelve Doctors of Christmas is a series of posts on Tor.com from December 26, 2010 to January 6, 2011 celebrating the many incarnations of the Doctor, the enigmatic Time Lord at the center of the long-running science fiction series Doctor Who. Join a host of writers, artists, and fans as they single out their favorite aspects of each Doctor (and then some).
The Doctors