John the Apostle
Revelation 21:1BSB·traditional attribution

Then I saw a new heaven and a new earth, for the first heaven and earth had passed away, and the sea was no more.

Albert Barnes Presbyterian

CHAPTER 21. ANALYSIS OF CHAPTER 21., 22 1-5 THE whole of chapter 21, and the first five verses of chapter 22, relate to scenes beyond the judgment, and are descriptive of the happy and triumphant state of the redeemed church, when all its conflicts shall have ceased, and all its enemies shall have been destroyed.

Geneva Bible Notes Reformed

And I saw a new heaven and a new earth: for the first heaven and the first earth were passed away; and there was no more sea. (1) Now follows the second part of the history prophetic of the future estate of the Church in heaven after the last judgment, to . In this are two things briefly declared. The station, seat, or place of it, .

William Burkitt Anglican

By the new heaven and the new earth here, all understand a new state and face of the church; but some apply it to the state of the church militant here upon earth, and others to the state of the church triumphant in heaven.