Moses
Genesis 8:20BSB·traditional attribution

Then Noah built an altar to the LORD. And taking from every kind of clean animal and clean bird, he offered burnt offerings on the altar.

John Calvin Reformed @genevareformer

20. And Noah builded an altar unto the Lord . As Noah had given many proofs of his obedience, so he now presents an example of gratitude. This passage teaches us that sacrifices were instituted from the beginning for this end, that men should habituate themselves, by such exercises, to celebrate the goodness of God, and to give him thanks.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. Noah's thankful acknowledgment of God's favour to him, in completing the mercy of his deliverance, Gen 8:20. 1. He built an altar. Hitherto he had done nothing without particular instructions and commands from God. He had a particular call into the ark, and another out of it; but, altars and sacrifices being already of divine institution for religious worship, he did not...

Commenting on Genesis 8:20-22

John Gill Reformed Baptist @doctorgill

And the Lord smelled a sweet savour,.... Or a "savour of rest" (e); he was delighted and well pleased with his sacrifice, which was offered up in the faith of the sacrifice of Christ; the apostle says, "is for a sweetsmelling savour", Eph 5:2 referring to this passage; that being a satisfaction to the justice of God, an appeasing of his wrath, and a propitiation...