Moses
Leviticus 9:20KJV·traditional attribution

And they put the fat upon the breasts, and he burnt the fat upon the altar:

Matthew Henry Presbyterian

These being the first offerings that ever were offered by the levitical priesthood, according to the newly-enacted law of sacrifices, the manner of offering them is particularly related, that it might appear how exactly they agreed with the institution. 1.

Commenting on Leviticus 9:8-22

John Gill Reformed Baptist

And the breasts and the right shoulder,.... The breasts of the bullock and the ram, and the right shoulders of them both: Aaron waved for a wave offering before the Lord; which was given to him as his part of the peace offerings, after they had been thus waved before the Lord; whereby an acknowledgment was made that he was Lord of all, and had...

Keil & Delitzsch Lutheran

Lev 9:15-21 Of the sacrifices of the nation, Aaron presented the sin-offering in the same manner as the first, i.e., the one offered for himself (Lev 9:8.). The blood of this sin-offering, which was presented for the congregation, was not brought into the holy place according to the rule laid down in Lev 7:16., but only applied to the horns of the altar of burnt-offering...

Commenting on Leviticus 9:15-21