Moses
Leviticus 25:8BSB·traditional attribution

And you shall count off seven Sabbaths of years—seven times seven years—so that the seven Sabbaths of years amount to forty-nine years.

John Calvin Reformed

8. And thou shalt number seven. The third kind of Sabbath follows, which was composed of forty-nine, or seven times seven years. This was the most illustrious Sabbath, since the state of the people, both as to their persons and their houses and property, was renewed; and although in this way God had regard to the public good, gave relief to the poor, so that...

Matthew Henry Presbyterian

Here is, I. The general institution of the jubilee, Lev 25:8. etc. 1. When it was to be observed: after seven sabbaths of years (Lev 25:8), whether the forty-ninth or fiftieth is a great question among learned men: that it should be the seventh sabbatical year, that is, the forty-ninth (which by a very common form of speech is called the fiftieth), seems to me...

Commenting on Leviticus 25:8-22

John Gill Reformed Baptist

And thou shalt number seven sabbaths of years unto thee,.... Or weeks of years; and there being seven days in a week, and a day being put for a year, seven weeks of years made forty nine years; the Targums of Onkelos and Jonathan, and Jarchi, interpret it seven "shemittas", or sabbatical years; and a sabbatical year being every seventh year, made the same number...