John the Apostle
Revelation 5:11BSB·traditional attribution

Then I looked, and I heard the voices of many angels encircling the throne, and the living creatures and the elders. And their number was myriads of myriads and thousands of thousands.

Matthew Henry Presbyterian @wholebiblehenry

Here, I. The apostle beholds this book taken into the hands of the Lord Jesus Christ, in order to its being unsealed and opened by him. Here Christ is described, 1. By his place and station: In the midst of the throne, and of the four beasts, and of the elders.

Commenting on Revelation 5:6-14

John Gill Reformed Baptist @doctorgill

And I beheld, and heard the voice of many angels,.... Immaterial spirits, made by Christ, and worshippers of him, and ministering spirits to him and his, the holy and elect angels, who are confirmed in their state by Christ; these John beheld in a visionary way, and heard the voices and articulate sounds formed by them; and there were many of them; how many there...

Albert Barnes Presbyterian @notesbybarnes

Verse 11. And I beheld. And I looked again. And I heard the voice of many angels. The inhabitants of heaven uniting with the representatives of the redeemed church, in ascribing honour to the Lamb of God. The design is to show that there is universal sympathy and harmony in heaven, and that all worlds will unite in ascribing honour to the Lamb of God.