Moses
Leviticus 23:13BSB·traditional attribution

along with its grain offering of two-tenths of an ephah of fine flour mixed with oil—a food offering to the LORD, a pleasing aroma—and its drink offering of a quarter hin of wine.

Matthew Henry Presbyterian @wholebiblehenry

Here again the feasts are called the feasts of the Lord, because he appointed them. Jeroboam's feast, which he devised of his own heart (Kg1 12:33), was an affront to God, and a reproach upon the people. These feasts were to be proclaimed in their seasons (Lev 23:4), and the seasons God chose for them were in March, May and September (according to our present...

Commenting on Leviticus 23:4-14

John Gill Reformed Baptist @doctorgill

And the meat offering thereof shall be two tenth deals of fine flour mingled with oil,.... The usual measure of flour to a meat offering was one tenth deal, Exo 29:40; but here it is doubled: some Jewish writers say (p) one tenth was on account of the lamb that was offered at this time, and the other as was suitable for a meat offering...

Geneva Bible Notes Reformed @genevanotes

And the meat offering thereof [shall be] two tenth deals of fine flour mingled with oil, an offering made by fire unto the LORD [for] a sweet savour: and the drink offering thereof [shall be] of wine, the fourth [part] of an hin. (e) Which is, the fifth part of an Ephah, or two Omers: read . (f) Read .