Moses
Leviticus 17:2ESV·traditional attribution

“Speak to Aaron and his sons and to all the people of Israel and say to them, This is the thing that the LORD has commanded.

Matthew Henry Presbyterian @wholebiblehenry

This statute obliged all the people of Israel to bring all their sacrifices to God's altar, to be offered there. And as to this matter we must consider, I. How it stood before. 1. It was allowed to all people to build altars, and offer sacrifices to God, where they pleased.

Commenting on Leviticus 17:1-9

John Gill Reformed Baptist @doctorgill

Speak unto Aaron, and unto his sons,.... Who were now constituted priests, the business of whose office it was to offer the sacrifices of the people, ordinary and extraordinary: and to all the children of Israel; who were all under obligation to sacrifices at certain times; under whom may be comprehended the Levites, who were not priests, and the strangers that sojourned in Israel, for...

Geneva Bible Notes Reformed @genevanotes

Speak unto Aaron, and unto his sons, and unto all the children of Israel, and say unto them; This [is] the thing which the LORD hath commanded, saying, (a) Lest they should practice the idolatry they had learned among the Egyptians.