SAMUEL JUDAH L6B RAPOPORT (1790-1867), Jewish scholar, was born at Lemberg in 1790. After various experiences in business, Rapoport became successively rabbi of Tarnopol (1837) and of Prague (1840). He was one of the founders of the new learning in Judaism. His chief work was the first part of an (unfinished) encyclopaedia ( `Erekh Millin, 1852). Equally notable were his biographies of the Gaon Saadiah, Nathan author of the Arnkh, the Gaon Hai, Eleazar Kalir and others. He died at Prague in 1867. (I. A.)