The Apostle Paul
Ephesians 1:17BSB·traditional attribution

that the God of our Lord Jesus Christ, the glorious Father, may give you a spirit of wisdom and revelation in your knowledge of Him.

John Calvin Reformed @genevareformer

17. That the God of our Lord Jesus Christ. But what does Paul wish for the Ephesians? The spirit of wisdom, and the eyes of their understanding being enlightened. And did they not possess these? Yes; but at the same time they needed increase, that, being endowed with a larger measure of the Spirit, and being more and more enlightened, they might more clearly and fully hold their present views.

Matthew Henry Presbyterian @wholebiblehenry

We have come to the last part of this chapter, which consists of Paul's earnest prayer to God in behalf of these Ephesians. We should pray for the persons for whom we give thanks. Our apostle blesses God for what he had done for them, and then he prays that he would do more for them.

Commenting on Ephesians 1:15-23

John Gill Reformed Baptist @doctorgill

That the God of our Lord Jesus Christ,.... In what sense God the Father is the God of Christ; see Gill on Eph 1:3. The Father of glory; or the glorious Father; who is glorious in himself, in the perfections of his nature, and in the works of his hands; and as a father, he is a glorious father to Christ, and is a father...