Moses
Leviticus 23:37ESV·traditional attribution

“These are the appointed feasts of the LORD, which you shall proclaim as times of holy convocation, for presenting to the LORD food offerings, burnt offerings and grain offerings, sacrifices and drink offerings, each on its proper day,

Matthew Henry Presbyterian @wholebiblehenry

We have here, I. The institution of the feast of tabernacles, which was one of the three great feasts at which all the males were bound to attend, and celebrated with more expressions of joy than any of them. 1.

Commenting on Leviticus 23:33-44

John Gill Reformed Baptist @doctorgill

These are the feasts of the Lord,.... Besides the sabbath, as Gersom observes; even the passover, the seven days of unleavened bread the day of Pentecost, the day of blowing the trumpets, the day of atonement, and the seven days of the feast of tabernacles: which ye shall proclaim to be holy convocations: as they had been directed, Lev 23:2, to offer an offering made...

Geneva Bible Notes Reformed @genevanotes

These [are] the feasts of the LORD, which ye shall proclaim [to be] holy convocations, to offer an offering made by fire unto the LORD, a burnt offering, and a meat offering, a sacrifice, and drink offerings, every thing upon his day: (q) Or, peace offering.