Moses
Numbers 29:21ESV·traditional attribution

with the grain offering and the drink offerings for the bulls, for the rams, and for the lambs, in the prescribed quantities;

Matthew Henry Presbyterian @wholebiblehenry

Soon after the day of atonement, that day in which men were to afflict their souls, followed the feast of tabernacles, in which they were to rejoice before the Lord; for those that sow in tears shall soon reap in joy.

Commenting on Numbers 29:12-40

Geneva Bible Notes Reformed @genevanotes

And their meat offering and their drink offerings for the bullocks, for the rams, and for the lambs, [shall be] according to their number, after the manner: (g) According to the ceremonies appointed to it.

Keil & Delitzsch Lutheran @keilanddelitzsch

Num 29:12-34 The feast of Tabernacles, the special regulations for the celebration of which are contained in Lev 23:34-36 and Lev 23:39-43, was distinguished above all the other feasts of the year by the great number of burnt-offerings, which raised it into the greatest festival of joy.

Commenting on Numbers 29:12-34