Final answer:
The Book of Revelation, associated with John, was penned in Ephesus, an important center for early Christianity. Its symbolic content has influenced Christian art and doctrine throughout history.
Step-by-step explanation:
The Book of Revelation, traditionally attributed to John, was written when he was believed to be in Ephesus, a city where the apostle Paul had also spread Christianity. The basilica in Ephesus even houses what is claimed to be the Tomb of St. John the Apostle. The Book of Revelation is filled with apocalyptic imagery and vivid descriptions of the end times.
Artistic representations of the Book of Revelation can be seen in various historical artworks, such as the Maiestas Domini, which depicts passages from this book. This effective spread of Christianity by apostles like Paul and presumably John's contribution through such texts deeply influenced the Greco-Roman world and the evolution of Christianity. The book of Kells also features illustrations that are thought to be influenced by the themes from the Book of Revelation, highlighting the pervasive impact of this text.