Moses
Genesis 26:19ESV·traditional attribution

But when Isaac’s servants dug in the valley and found there a well of spring water,

Matthew Henry Presbyterian @wholebiblehenry

Here we have, I. The tokens of God's good-will to Isaac. He blessed him, and prospered him, and made all that he had to thrive under his hands. 1. His corn multiplied strangely, Gen 26:12. He had no land of his own, but took land of the Philistines, and sowed it; and (be it observed for the encouragement of poor tenants, that occupy other people's...

Commenting on Genesis 26:12-25

John Gill Reformed Baptist @doctorgill

And the herdmen of Gerar did strive with Isaac's herdmen,.... About the well which was dug in the valley; and this shows it was near Gerar or at least was upon the border of the country, and so it was a disputable point to whom it belonged: saying, the water is ours; though the well was dug by Isaac's servants, yet they laid claim to...

Adam Clarke Methodist @methodicalclarke

A well of springing water - באר מים חיים beer mayim chaiyim, A well of living waters. This is the oriental phrase for a spring, and this is its meaning both in the Old and New Testaments: Lev 14:5, Lev 14:50; Lev 15:30; Num 19:17; Sol 4:15. See also Joh 4:10-14; Joh 7:38; Rev 21:6; Rev 22:1.