This copy is a rare and valuable remnant from one of the greatest rabbinic figures of Bohemia, the son-in-law and disciple of the illustrious Maharal of Prague, the gaon Rabbi Yitzchak son of Rabbi Shimshon Katz of Prague, whom the Shela HaKadosh wished to become his son-in-law!! (As testified by his great-grandson, the author of ‘Chavas Yair’). On leaf 12b is a brilliant handwritten poem composed by Rabbi Yitzchak extolling the praises of this work, signed with an acrostic of his full name, and previously unknown until now.
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