Moses
Numbers 13:4ESV·traditional attribution

And these were their names: From the tribe of Reuben, Shammua the son of Zaccur;

Matthew Henry Presbyterian @wholebiblehenry

Here we have, I. Orders given to send spies to search out the land of Canaan. It is here said, God directed Moses to send them (Num 13:1, Num 13:2), but it appears by the repetition of the story afterwards (Deu 1:22) that the motion came originally from the people; they came to Moses, and said, We will send men before us; and it was the fruit of their unbelief.

Commenting on Numbers 13:1-20

John Gill Reformed Baptist @doctorgill

And these were their names, of the tribe of Reuben, Shammua the son of Zaccur. From Num 13:4, there is nothing but the names of the said persons, whose sons they were, and of what tribe; and the several tribes are mentioned, not according to the order of the birth of the patriarchs, nor according to the dignity of their mothers that bore them, but...

Keil & Delitzsch Lutheran @keilanddelitzsch

Numbers 13:1-17 Despatch of the Spies of Canaan. - Num 13:1. The command of Jehovah, to send out men to spy out the land of Canaan, was occasioned, according to the account given by Moses in Deu 1:22., by a proposal of the congregation, which pleased Moses, so that he laid the matter before the Lord, who then commanded him to send out for this...

Commenting on Numbers 13:1-17