Who is the author of star?

There isn't a single author of "Star" because it's a very broad term. It could refer to many things, including:

* A celestial object: Stars are massive, luminous balls of plasma. They are formed by gravity pulling together clouds of gas and dust.

* A fictional story or movie: Many works of fiction feature stars as characters or settings. You would need to specify the specific story or movie to identify the author.

* A person's name: "Star" is a common nickname or name in some cultures.

Could you please clarify what you mean by "star" so I can give you a more helpful answer?