The Taz

David HaLevi Segal, known as the Taz (acronym for Turei Zahav, 'Rows of Gold'), was a leading Polish-Jewish halakhic authority of the 17th century. Active primarily in Lvov, he was a student of the Shach (Siftei Kohen) and became renowned for his incisive commentary on the Shulchan Aruch, particularly on the Yoreh Deah section. His Turei Zahav, a supercommentary that engaged with both the Shulchan Aruch and the Magen Avraham, became an authoritative work in Jewish law and remains studied alongside the primary codes. The Taz was known for his independence of mind and his ability to harmonize conflicting sources through careful logical analysis. He lived through the turbulent Chmielnicki period and maintained his scholarly work despite significant communal upheaval. His works shaped the development of Polish and Eastern European Jewish jurisprudence for centuries.