John the Apostle
Revelation 1:18WEB·traditional attribution

and the Living one. I was dead, and behold, I am alive forever more. Amen. I have the keys of Death and of Hades.

Jamieson-Fausset-Brown Reformed

Translate as Greek, "And THE LIVING ONE": connected with last sentence, Rev 1:17. and was--Greek, "and (yet) I became." alive for evermore--Greek, "living unto the ages of ages": not merely "I live," but I have life, and am the source of it to My people.

John Gill Reformed Baptist

I am he that liveth,.... As the eternal God, who has life in himself, originally, essentially, and inderivatively, and is the fountain and author of life to others; and who ever lived as the Mediator and Redeemer, and still does, and ever will, yea, even when he was dead as man: and was dead; he died the death of the cross, for the sins of...

Matthew Henry Presbyterian

We have now come to that glorious vision which the apostle had of the Lord Jesus Christ, when he came to deliver this revelation to him, where observe, I. The account given of the person who was favoured with this vision. He describes himself, 1. By his present state and condition. He was the brother and companion of these churches in tribulation, and in the kingdom and patience of Christ.

Commenting on Revelation 1:9-20