Moses
Numbers 33:8ESV·traditional attribution

And they set out from before Hahiroth and passed through the midst of the sea into the wilderness, and they went a three days’ journey in the wilderness of Etham and camped at Marah.

John Calvin Reformed @genevareformer

8. And they departed from before Pi-hahiroth. He relates how the people marched forwards for three days; not so much in praise of their endurance, as in celebration of God’s wonderful power, who sustained so great a multitude without water.

John Gill Reformed Baptist @doctorgill

And they departed from before Pihahiroth,.... Being forced by Pharaoh's army pressing upon them: and passed through the midst of the sea; from shore to shore, as on dry laud: into the wilderness: that part of it which lay on the other side, for still it was the wilderness of Etham they went into, as follows: and went three days' journey in the wilderness of...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Marah--thought to be Ain Howarah, both from its position and the time (three days) it would take them with their children and flocks to march from the water of Ayun Musa to that spot.