David
Psalm 24:8ESV·traditional attribution

Who is this King of glory? The LORD, strong and mighty, the LORD, mighty in battle!

John Calvin Reformed @genevareformer

PSALM 24. As God stands related to all mankind as their Creator and Governor, David, from this consideration, magnifies the special favor which God manifested towards the children of Abraham, in choosing them to be his peculiar people, in preference to the rest of mankind, and in erecting his sanctuary as his house that he might dwell among them.

Commenting on Psalm 24:1-10

C.H. Spurgeon Reformed Baptist @princeofpreachers

The watchers at the gate hearing the song look over the battlements and ask, "Who is this King of glory?" A question full of meaning and worthy of the meditations of eternity. Who is he in person, nature, character, office and work? What is his pedigree? What his rank and what his race?

Matthew Henry Presbyterian @wholebiblehenry

What is spoken once is spoken a second time in these verses; such repetitions are usual in songs, and have much beauty in them. Here is, 1. Entrance once and again demanded for the King of glory; the doors and gates are to be thrown open, thrown wide open, to give him admission, for behold he stands at the door and knocks, ready to come in. 2.

Commenting on Psalm 24:7-10