A German-speaking philosopher, born of Jewish parentage in present-day Belarus highly praises a Polish rabbi, who called to the Frth in 1775, in his "Lebensgeschichte",  the Polish rabbi was commonly called Hirsch arif due to his great keenness in Talmudical discussions.
Josef Hirsch Janow (1733  13 November 1785) was a Polish rabbi, who, on account of his great keenness in Talmudical discussions, was commonly called ""Hirsch arif"" (the acute). 
 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. 
 In the following year he was called to the rabbinate of Frth. 
 Salomon Maimon, in his "Lebensgeschichte" (pp 280 et seq.), highly praises Hirsch Janow for his benevolence. 
Salomon Maimon ( ; ] ; Hebrew:    ; 1753  22 November 1800) was a German-speaking philosopher, born of Jewish parentage in present-day Belarus. 
