John the Apostle
c. 6 – c. 100 · Bishop of Ephesus
Also known as John son of Zebedee · the Beloved Disciple
Feast: 27 December (Catholic) · 8 May (Orthodox)

Son of Zebedee, brother of James, one of the Twelve and of the inner three. By tradition resided in Ephesus, taught Polycarp and Papias, and lived to the reign of Trajan.
Highlights
- Main contribution
- John's long life made the apostolic memory stretch unusually far.
- Primary source
- Gospel of John 21:20-24
John's long life made the apostolic memory stretch unusually far. Tradition places him in Ephesus, connected to figures such as Polycarp and Papias, which is why his name matters for the chain from the apostles into the second century. The writings associated with him also gave the church some of its densest language about the Word, light, love, witness, and eternal life. Later mystics, Trinitarian theologians, and contemplatives kept hearing their deepest themes in Johannine language.
Primary sources
- ·Gospel of John 21:20-24
- ·Irenaeus, Adv. Haer. 2.22.5; 3.3.4
- ·Eusebius, Hist. Eccl. 3.23, 3.39
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