The Author of Revelation

In this post I want to explain why it is almost universally thought that the same author did not write the fourth Gospel and the book of Revelation, and then to show why the latter author was almost certainly not John the son of Zebedee, Jesus’ close disciple. So far as I know, only fundamentalists today think that John the son of Zebedee did write the book of Revelation. There are really only three things that speak in favor of this view:

(1) The author was someone named John (hey! If he was...