Conversation so far:
where did the beauty and the beast story come from
It originates from a 16th Century romance between a French court servant and a man with incurable hair growth.
what disorder caused the incurable hair growth in the french story that inspired beauty and the beast
Petrus suffered from hypertrichosis, which made thick, dark hair grow all over his body and face.

Question: who wrote the original fairy tale
Self-contained rewrite: who wrote the original fairy tale Beauty and the Beast“