Question: A German-speaking philosopher, born of Jewish parentage in present-day Belarus highly praises a Polish rabbi, who called to the Fürth in 1775, in his "Lebensgeschichte", what was the Polish rabbi commonly called due to his great keenness in  Talmudical discussions?
Sentence (from "Hirsch Janow"): When in 1776 his father-in-law, Raphael Kohn, was elected rabbi of the 3 congregations Hamburg, Altona, and Wandsbeck, he succeeded him as rabbi of Posen.
Relevant evidence: Yes