John the Apostle
Revelation 1:15BSB·traditional attribution

His feet were like polished bronze refined in a furnace, and His voice was like the roar of many waters.

Matthew Henry Presbyterian @wholebiblehenry

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

John Gill Reformed Baptist @doctorgill

And his feet like unto fine brass, as if they burned in a furnace,.... By which is meant, not his human nature in a suffering state; or his people, the meaner and lower parts of his mystical body, in a like state; or his apostles and ministers, who are supporters of his church, and run to and fro with spiritual knowledge, for which, though they...

Albert Barnes Presbyterian @notesbybarnes

Verse 15. And his feet like unto fine brass. Compare , "And his arms and his feet like in colour to polished brass." See also , "And they" [the feet of the living creatures] "sparkled like the colour of burnished brass." The word here used--χαλκολιβανω-- occurs in the New Testament only here and in . It is not found in the Septuagint.