The most recent and elaborate commentator even calls him an "ethnologist."
The earliest commentator of note was Sir Edward Coke, who published his Second Institute, which deals with Magna Carta, by order of the Long Parliament in 1642.
about 1174) of Ramerupt, commentator and Talmudist.
In this field the "Commentator" is supreme.
His treatises on the verbs, written in Arabic, were translated into Hebrew by Moses Giqatilla (11th century), himself a considerable grammarian and commentator, and by Ibn Ezra.