(known simply as Rabbah in the Talmud; c. 270-331 CE). Babylonian amora of the third generation, descended from a priestly Galilean family. Rabbah's brilliance as a talmudic dialectician led to his being nicknamed Oker Harim ("Uprooter of Mountains"), whereas his colleague and rival Joseph Ben ḥiyya---a man of vast and comprehensive knowledge---was dubbed Sinai (Ber. 64a). Many halakhic controversies between these two scholars are recorded, the decision nearly always following Rabbah's opinion. In 309, Rabbah was appointed head of the Academy of Pumbedita, retaining the position for the next 22 years. As a teacher, he dealt with all aspects of the Halakhah, including those areas which had no practical application in Babylonia (e.g., the laws of ritual purification). It was under Rabbah's efficient administration that the Academy of Pumbedita attained its golden age. Thousands came to hear him lecture at there during the




