The author if the second creation story is known as the: Elohist Priestly Yahwist Creationist

The author of the second creation story in the Bible is known as the:YahwistThe Yahwist source, often abbreviated as "J," is one of the sources identified by scholars in the documentary hypothesis. The Yahwist source is characterized by its use of the name Yahweh (or Jehovah) for God and is thought to have been written in the southern kingdom of Judah.