Moses
Numbers 29:34ESV·traditional attribution

also one male goat for a sin offering; besides the regular burnt offering, its grain offering, and its drink offering.

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

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