Kalisch, Isidor (ēzēdôrˈ kāˈlĭsh, käˈ–) [key], 1816–86, Jewish rabbi and author, b. Prussia. Forced to leave Germany because of his liberal political views, he emigrated to the United States in 1849 and served as rabbi in various American cities. He is chiefly known for his place in the polemical controversy of the day over Reform Judaism, of which he was a leader. He wrote several books on Judaism.
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