Moses
Exodus 16:21ESV·traditional attribution

Morning by morning they gathered it, each as much as he could eat; but when the sun grew hot, it melted.

Matthew Henry Presbyterian @wholebiblehenry

Now they begin to be provided for by the immediate hand of God. I. He makes them a feast, at night, of delicate fowl, feathered fowl (Psa 78:27), therefore not locusts, as some think; quails, or pheasants, or some wild fowl, came up, and covered the camp, so tame that they might take up as many of them as they pleased.

Commenting on Exodus 16:13-21

John Gill Reformed Baptist @doctorgill

And it came to pass, that on the sixth day,.... Of the week, or from the first raining of the manna, which was the same: they gathered twice as much bread; as they had used to do on other days, a greater quantity falling, and which was more easily taken up: two omers for one man; or, "instead of one" (t) of one omer; so...

Keil & Delitzsch Lutheran @keilanddelitzsch

Exo 16:19-21 In the second place, Moses commanded them, that no one was to leave any of what had been gathered till the next morning. Some of them disobeyed, but what was left went into worms (תּולעים ירם literally rose into worms) and stank. Israel was to take no care for the morrow (Mat 6:34), but to enjoy the daily bread received from God in obedience to the giver.

Commenting on Exodus 16:19-21