Harry Potter’s world • Did you remember that Quirrell was both the first Death Eater to whom audiences were introduced and the first Defense Against the Dark Arts teacher? Or that Neville’s parents are still alive, albeit in St. Mungo’s Hospital for Magical Maladies and Injuries? Here’s a brief refresher course on relationships through “Harry Potter and the Deathly Hallows: Part 1.” See the graphic full-size and learn more about a particular character.