Moses
Numbers 7:10ESV·traditional attribution

And the chiefs offered offerings for the dedication of the altar on the day it was anointed; and the chiefs offered their offering before the altar.

John Calvin Reformed @genevareformer

10. And the princes offered for dedicating of the altar Here is another kind of offering, viz., a silver dish and bowl from every tribe, besides a golden spoon, V., mortariolum. LXX.,: θυί̑σκη Ainsworth, cup. Heb., כן from whence probably our English word cup. which properly means a censer.

Matthew Henry Presbyterian @wholebiblehenry

We have here an account of the great solemnity of dedicating the altars, both that of burnt-offerings and that of incense; they had been sanctified before, when they were anointed (Lev 8:10, Lev 8:11), but now they were handselled, as it were, by the princes, with their free-will offerings.

Commenting on Numbers 7:10-89

John Gill Reformed Baptist @doctorgill

And the princes offered for dedicating of the altar,.... For setting it apart to sacred use and service, even the altar of burnt offering; or rather after it had bean sanctified and set apart, when it began to be made use of for sacrifice: in the day that it was anointed; with the anointing oil, whereby it was devoted to sacred service: even the princes...