German rabbi and Biblical scholar; born at Breslau Sept. 8, 1862; educated at the gymnasium, the university, and the theological seminary of his native town (Ph.D. 1889). Since 1891 Jacob has been rabbi at Göttingen.
Among his writings may be especially mentioned: "Das Buch Esther bei den LXX." Giessen, 1890; "Unsere Bibel in Wissenschaft und Unterricht," Berlin, 1898. He also edited "Predigten, Betrachtungen und Gebete von Dr. Benjamin Rippner," ib. 1901; and has made many contributions to Stade's "Zeitschrift."