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Who created the room of requirement? I know one of the founders must have created it but do we know which one? There are theories that Helga Hufflepuff created it, is that true? Or was it added later on by someone else?

marked as duplicate by Jason Baker, Blackwood, Möoz, Rand al'Thor Apr 19 '17 at 23:50

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  • Care to elaborate on these "theories that Helga Hufflepuff created it"? – ibid Apr 20 '17 at 4:38
  • It just says that because Slytherin created the chamber of secrets Hufflepuff created the room of requirement – L.Bizzy Apr 20 '17 at 14:54