Who cursed the Devil Fruits?


_One Piece_ is near in reaching 1000 episodes, but never in a single episode
where the origin of the so called **Devil Fruits** is elaborated. Is there any
creator of the Devil Fruits or their existence are merely phenomenal?

I remember one episode when Blackbeard killed one of his comrades just to gain
the Dark-Dark fruit, he was sure that based on its appearance, it was
definitely the Yami Yami no Mi because he read it in the book about the cursed
fruits.

How was the book written, does it imply that the author of the book is also
the one who cursed the Devil Fruits?




Oda mentioned in SBS vol 48, that it will be revealed in the end by someone
who knows how the Devil Fruit mechanism works. Quoting from the wikia:

> According to Oda, a "certain professor" will explain the complex mechanisms
> behind all of the Devil Fruits in the series in the near future.

And I personally think all of your other questions, like "regarding the author
of the book", will be answered when that happens.

