Moses
Leviticus 1:11BSB·traditional attribution

He shall slaughter it on the north side of the altar before the LORD, and Aaron’s sons the priests are to splatter its blood against the altar on all sides.

Matthew Henry Presbyterian @wholebiblehenry

Here we have the laws concerning the burnt-offerings, which were of the flock or of the fowls. Those of the middle rank, that could not well afford to offer a bullock, would bring a sheep or a goat; and those that were not able to do that should be accepted of God if they brought a turtle-dove or a pigeon.

Commenting on Leviticus 1:10-17

John Gill Reformed Baptist @doctorgill

And he shall kill it on the side of the altar northward before the Lord,.... This is a circumstance not mentioned in the killing of the bullock: Maimonides (g) says, there was a square place from the wall of the altar northward, to the wall of the court, and it was sixty cubits, and all that was over against the breadth of this, from the...

Geneva Bible Notes Reformed @genevanotes

And he shall kill it on the side of the altar northward before the LORD: and the priests, Aaron's sons, shall sprinkle his blood round about upon the altar. (g) Read . (h) Before the altar of the Lord.