Jacob MannsJacob Mann (1888-23 October, 1940) was one of the world's most renowned authorities of his time in the field of Jewish history. His scholarly range was prodigious and his original contributions to Jewish lore and letters in a vast array of reviews, aticles, essays, brochures, and enormous books containing hitherto undeciphered Hebrew documents, cover well-nigh every branch of Jewish studies. Read More Read Less