שמואל אבואב

Rabbi Samuel ben Abraham Aboab also known by his acronym RaSHA was a 17th-century Western Sephardic rabbi and scholar, who is considered to be one of the greatest rabbinic sages of Italy. He served as the av bet din of Venice, where he rose to great prominence due to his vast knowledge of rabbinic literature. He is known for being an adamant opponent of the Sabbatean movement, and an early supporter of the old Yishuv.