Jacob Weil, later known as Mahariv (Hebrew: יעקב בן יהודה ווייל) was a German rabbi and Talmudist who flourished during the first half of the fifteenth century. == Biography == Of his life few details are known, but, according to Grätz, he died before 1456. He was one of the foremost pupils of Jacob Moelin (Maharil), who ordained him in the rabbinate, and authorized him to officiate in Nuremberg. Weil, however, did not avail himself of this permission lest he should offend an older scholar, Solomon Cohen, who had been appointed rabbi of that city long before. This despite the fact that Weil himself...