Moses
Numbers 13:21BSB·traditional attribution

So they went up and spied out the land from the Wilderness of Zin as far as Rehob, toward Lebo-hamath.

Matthew Henry Presbyterian @wholebiblehenry

We have here a short account of the survey which the spies made of the promised land. 1. They went quite through it, from Zin in the south, to Rehob, near Hamath, in the north, Num 13:21. See Num 34:3, Num 34:8.

Commenting on Numbers 13:21-25

John Gill Reformed Baptist @doctorgill

And they told him,.... Moses, who was the chief ruler whom they addressed, and to whom they directed their speech: and said, we came unto the land whither thou sentest us; the land of Canaan, which they were sent by Moses to spy; this was said by ten of them or by one of them as their mouth; for Caleb and Joshua did not join...

Jamieson-Fausset-Brown Reformed @jfbcommentary

So they . . . searched the land--They advanced from south to north, reconnoitering the whole land. the wilderness of Zin--a long level plain, or deep valley of sand, the monotony of which is relieved by a few tamarisk and rethem trees. Under the names of El Ghor and El Araba, it forms the continuation of the Jordan valley, extending from the Dead Sea to the Gulf of Akaba.