John the Apostle
John 6:45ESV·traditional attribution

It is written in the Prophets, ‘And they will all be taught by God.’ Everyone who has heard and learned from the Father comes to me—

John Calvin Reformed @genevareformer

45. It is written in the Prophets. Christ confirms by the testimony of Isaiah what he said, that no man can come to him, unless he be drawn by the Father He uses the word prophets in the plural number, because all their prophecies had been collected into one volume, so that all the prophets might justly be accounted one book.

Matthew Henry Presbyterian @wholebiblehenry

Whether this conference was with the Capernaites, in whose synagogue Christ now was, or with those who came from the other side of the sea, is not certain nor material; however, it is an instance of Christ's condescension that he gave them leave to ask him questions, and did not resent the interruption as an affront, no, not from his common hearers, though not his immediate followers.

Commenting on John 6:28-59

John Gill Reformed Baptist @doctorgill

Not that any man hath seen the Father,.... This is said, lest it should be thought from the above words, that our Lord meant that men should be so taught of God, as that they should visibly see the Father, and vocally hear his voice, and be personally instructed by him; for his voice is not heard, nor his shape seen; see Joh 1:18; save...