According to Elaine Pagels in her book "Revelations: Visions, Prophecy, and Politics in the Book of Revelation," the writer of Revelation may have been called John – the book is sometimes called “Book of the Revelation of Saint John the Divine†but he was not the disciple who accompanied Jesus. He was a devout Jew and mystic exiled on the island of Patmos, off the coast of present-day Greece. He was likely a refugee whose home in Jerusalem had been leveled by the Romans in response to a Jewish rebellion against the Roman Empire.
“He would have been a very simple man in his clothes and dress,†Pagels says. “He may have gone from church to church preaching his message. He seems more like a traveling preacher or a prophet.â€
"Most people think John was writing at about the year 90 in the first century. That would be 60 years after the death of Jesus, and the eruption of Vesuvius happened in the year 79," she says. "Much of what we find in the Book of Revelation couched in the fantastic imagery are descriptions of events that for John were very close — the war in Jerusalem, the eruption of Mount Vesuvius, the Roman Emperors who were ruling at the time. ... "
http://www.npr.org/2012/03/07/148125942/the-book-of-revelation-visions-prophecy-politics
http://religion.blogs.cnn.com/2012/03/31/four-big-myths-about-the-book-of-revelation/
$