Иоанн Богослов
Nevertheless, many ancient sources and many modern scholars identify John the Apostle as the author of some or all of the Johannine books, thereby claiming apostolic authority for them. Thus, John the Apostle is identified with John the Evangelist, probably also John the Elder, and, with still less certainty, John the Revelator, and also with the John who survived to old age in Ephesus.