Moses
Numbers 16:38ESV·traditional attribution

As for the censers of these men who have sinned at the cost of their lives, let them be made into hammered plates as a covering for the altar, for they offered them before the LORD, and they became holy. Thus they shall be a sign to the people of Israel.”

Matthew Henry Presbyterian @wholebiblehenry

We must now look back to the door of the tabernacle, where we left the pretenders to the priesthood with their censers in their hands ready to offer incense; and here we find, I. Vengeance taken on them, Num 16:35.

Commenting on Numbers 16:35-40

John Gill Reformed Baptist @doctorgill

The censers of these sinners against their own souls,.... Who by burning incense in them sinned, and by sinning hurt and ruined their souls: let them make them broad plates for a covering of the altar; the altar of burnt offering, which, though it had a covering of brass, another made of these were to be over it, for the further security of it, being...

Geneva Bible Notes Reformed @genevanotes

The censers of these sinners against their own souls, let them make them broad plates [for] a covering of the altar: for they offered them before the LORD, therefore they are hallowed: and they shall be a sign unto the children of Israel. (o) Who caused their own death. (p) Of God's judgments against rebels.