John Mark
Mark 1:10ESV·traditional attribution

And when he came up out of the water, immediately he saw the heavens being torn open and the Spirit descending on him like a dove.

Matthew Henry Presbyterian @wholebiblehenry

We have here a brief account of Christ's baptism and temptation, which were largely related Mt. 3 and 4. I. His baptism, which was his first public appearance, after he had long lived obscurely in Nazareth. O how much hidden worth is there, which in this world is either lost in the dust of contempt and cannot be known, or wrapped up in the veil...

Commenting on Mark 1:9-13

John Gill Reformed Baptist @doctorgill

And straightway coming up out of the water,.... Not John, as many think; though it was true of him, that he came up out of the water, as the administrator of the ordinance of baptism to Christ, but Christ himself; who having descended into the water, the river of Jordan, and being baptized by immersion in it by John, came up out of it; not...

Albert Barnes Presbyterian @notesbybarnes

Verse 10. (1) "opened" or, "cloven", or "rent"