Who wrote the fable frog in a milk pail?

The fable "The Frog in the Milk Pail" is not attributed to a specific author. It's a classic folk tale, meaning it has been passed down orally through generations.

There are many versions of the story, and its origins are unknown.

However, you may be thinking of a specific version of the story, perhaps with a different title or a similar plot. If you could provide more details about the story you're looking for, I might be able to help you find the author.