Who is the author of Pilandok crosses river?

You're likely referring to the Indonesian folktale "Pilandok Crosses the River" or similar variations. This story is a traditional folktale, and as such, it doesn't have a single, identifiable author.

Folklore and folktales are passed down orally through generations, evolving and changing over time. They represent the collective storytelling tradition of a culture.

While some individuals might have been instrumental in preserving or adapting specific versions of the story, attributing authorship to a single person would be inaccurate.