Sources: Both Talmuds; Talmud Bavli Bava Metzia 86a (Rav’s arrival in Babylon); the Seder Tannaim ve-Amoraim.

The Amoraim (from amar — to say, interpreter/speaker) are the rabbinic sages of the 3rd–5th centuries whose discussions of the Mishnah form the Gemara — together constituting the Talmud. They begin with Rav (Abba Arikha, ~175–247 AD) who brought Palestinian Talmudic tradition to Babylon, and Samuel (Mar Shmuel, ~165–257 AD) who headed the Nehardea academy. The Amoraic period spans approximately 300 years across two centers: (1) Palestine (Land of Israel academies at Tiberias, Sepphoris, Caesarea) — producing the Jerusalem/Palestinian Talmud (~400 AD); (2) Babylon (academies at Sura, Nehardea, Pumbedita) — producing the Babylonian Talmud (~500 AD, though edited until ~700 AD). The Amoraim’s method: they receive the Mishnah as authoritative and explain, expand, and debate its rulings, often recording minority opinions and unresolved disputes. Famous Amoraic debates include the schools of Rav and Samuel (halakhic disputes), Abbaye and Rava (4th century Babylonian disputes so common they became proverbial — “the disputes of Abbaye and Rava”). The Amoraic period also produces major Midrashim and the beginnings of the Piyyut (liturgical poetry) tradition. The transition from Tannaim (whose rulings are binding) to Amoraim (who interpret but cannot contradict Tannaim) establishes the hierarchical structure of Jewish legal authority.