Luke
Acts 2:4BSB·traditional attribution

And they were all filled with the Holy Spirit and began to speak in other tongues as the Spirit enabled them.

John Calvin Reformed @genevareformer

4. They began to speak He showeth that the effect did appear presently, and also to what use their tongues were to be framed and applied, But because Luke setteth down shortly after, that strangers out of divers countries did marvel, because that every one of them did hear the apostles speaking in their own tongue, some think that they spoke not in divers tongues...

Matthew Henry Presbyterian @wholebiblehenry

We have here an account of the descent of the Holy Ghost upon the disciples of Christ. Observe, I. When, and where, this was done, which are particularly noted, for the greater certainty of the thing. 1. It was when the day of pentecost was fully come, in which there seems to be a reference to the manner of the expression in the institution of...

Commenting on Acts 2:1-4

John Gill Reformed Baptist @doctorgill

And they were all filled with the Holy Ghost,.... With the gifts of the Holy Spirit; they had received the Spirit before, as a Spirit of grace, and were endowed with great gifts; but now they had great plenty of them, a large abundance; they were like vessels filled to the brim; they were as it were covered with them; there was an overflow of...