Moses
Numbers 7:1BSB·traditional attribution

On the day Moses finished setting up the tabernacle, he anointed and consecrated it and all its furnishings, along with the altar and all its utensils.

John Calvin Reformed @genevareformer

1. And it came to pass on the day that Moses This was the second contribution of the people, after the completion of the Tabernacle; for although mention is only made of the princes, it is probable that each of them presented what the whole tribe had subscribed, since there was no private person at that time wealthy enough to give so much gold and silver of his own.

Matthew Henry Presbyterian @wholebiblehenry

Here is the offering of the princes to the service of the tabernacle. Observe, I. When it was; not till it was fully set up, Num 7:1. When all things were done both about the tabernacle itself, and the camp of Israel which surrounded it, according to the directions given, then they began their presents, probably about the eighth day of the second month.

Commenting on Numbers 7:1-9

John Gill Reformed Baptist @doctorgill

And it came to pass on the day that Moses had fully set up the tabernacle,.... Not on the very exact day on which it was first reared up, for that was on the first day of the first month of the second year from the coming up of Israel out of Egypt, Exo 40:17; whereas the following offerings of the princes were not offered...