The apostle John (21:20, 24), son of Zebedee (Matt. 10:2); whose brother was James and whose mother was Salome (Matt. 27:56; Mark 15:40).

Approximately A.D. 90.

Perhaps Ephesus.

All believers, both in Judea and throughout the Gentile lands, as indicated by the translations offered by John in 1:38; 5:2 and 19:13.