Luke
Acts 10:7BSB·traditional attribution

When the angel who spoke to him had gone, Cornelius called two of his servants and a devout soldier from among his attendants.

John Calvin Reformed @genevareformer

7. And after that the angel. Luke declareth here how ready Cornelius was to obey when as he maketh no tarriance, but doth that with all diligence which he was commanded to do. And this was the cause that he was so forward, because he believed the promise; as want of faith is the cause why we are so slow to follow God.

Matthew Henry Presbyterian @wholebiblehenry

The bringing of the gospel to the Gentiles, and the bringing of those who had been strangers and foreigners to be fellow-citizens with the saints, and of the household of God, were such a mystery to the apostles themselves, and such a surprise (Eph 3:3, Eph 3:6), that it concerns us carefully to observe all the circumstances of the beginning of this great work, this...

Commenting on Acts 10:1-8

John Gill Reformed Baptist @doctorgill

And when the angel which spake unto Cornelius was departed,.... For when be had delivered his message, he either disappeared, or withdrew, and immediately Cornelius showed himself ready to obey the heavenly vision: for he called two of his household servants; who were not of the band of soldiers under him, but were servants in his family, and such as feared God with him; and...