Unknown Author
Job 1:1ESV·author unknown

There was a man in the land of Uz whose name was Job, and that man was blameless and upright, one who feared God and turned away from evil.

Matthew Henry Presbyterian @wholebiblehenry

Concerning Job we are here told, I. That he was a man; therefore subject to like passions as we are. He was Ish, a worthy man, a man of note and eminency, a magistrate, a man in authority. The country he lived in was the land of Uz, in the eastern part of Arabia, which lay towards Chaldea, near Euphrates, probably not far from Ur...

Commenting on Job 1:1-3

John Gill Reformed Baptist @doctorgill

There was a man in the land of Uz, whose name was Job,.... Of the signification of his name, see the introduction to the book. The place where he dwelt had its name not from Uz, a descendant of Shem, Gen 10:23 but from Uz, a son of Nahor, brother to Abraham, Gen 22:21 unless it can be thought to be so called from Uz...

Geneva Bible Notes Reformed @genevanotes

There was a man in the land of Uz, whose name [was] Job; and that man was perfect and upright, and one that feared God, and eschewed evil. The Argument - In this history the example of patience is set before our eyes.