Moses
Numbers 19:13BSB·traditional attribution

Anyone who touches a human corpse and fails to purify himself defiles the tabernacle of the LORD. That person must be cut off from Israel. He remains unclean, because the water of purification has not been sprinkled on him, and his uncleanness is still on him.

John Calvin Reformed @genevareformer

13. Whosoever toucheth the dead body. The severity of. the capital punishment shews how very pleasing to God is purity. If any one bad forgotten to sprinkle himself on the third or the seventh day, he might redeem his negligence by a prolongation of the term, because he only postponed his purification to another day; but it was a capital crime to enter the sanctuary...

Matthew Henry Presbyterian @wholebiblehenry

Directions are here given concerning the use and application of the ashes which were prepared for purification. they were laid up to be laid out; and therefore, though now one place would serve to keep them in, while all Israel lay so closely encamped, yet it is probable that afterwards, when they came to Canaan, some of these ashes were kept in every town, for...

Commenting on Numbers 19:11-22

John Gill Reformed Baptist @doctorgill

Whosoever toucheth the dead body of any man that is dead, and purifieth not himself,.... With the ashes of the heifer, or water of purification, and so neglects the means which God has appointed for his cleansing: defileth the tabernacle of the Lord; that is, if he goes into it in his uncleanness, which it was not lawful for him to do: from the Jews...