Jaffe, Tzevi Hirsch

(1853-1929)
   Russian mathema-tician. He wrote studies of mathematical theory and invented a calculating machine. He was also a talmudic scholar and an authority on the Jewish calendar.

Dictionary of Jewish Biography. .

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  • Judaism — /jooh dee iz euhm, day , deuh /, n. 1. the monotheistic religion of the Jews, having its ethical, ceremonial, and legal foundation in the precepts of the Old Testament and in the teachings and commentaries of the rabbis as found chiefly in the… …   Universalium

  • KABBALAH — This entry is arranged according to the following outline: introduction general notes terms used for kabbalah the historical development of the kabbalah the early beginnings of mysticism and esotericism apocalyptic esotericism and merkabah… …   Encyclopedia of Judaism

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