More specifically: What authorities claim that the Book of Revelation was written by the Apostle John? What authorities claim otherwise? This C.SE answer apparently references Pliny and Tacitus in ...
John refers to himself, on at least four occasions, as "the disciple whom Jesus loved"? (John 13:23, 19:26, 21:7 & 21:20). Why is this? It seems a bit arrogant, especially as Jesus loved the ...