רבי חייא

Hiyya, or Hiyya the Great, was one of the Chazal or Rabbinical Jewish sages in the Land of Israel during the transitional generation between the Tannaic and Amoraic eras. Active in Tiberias, Hiyya was the primary compiler of the Tosefta. His full name was Hiyya bar Abba, also the name of the third generation amora Hiyya bar Abba. He was a student of Judah ha-Nasi and the uncle and teacher of Abba Arikha.