Hebrew name: נודע ביהודה
Years: 1713–1793
Primary city: Brody, Ukraine
Rabbi Yechezkel Landau served as the Chief Rabbi of Prague and was a leading halachic authority. His collection of responsa, Noda B'Yehuda, is a landmark of halachic literature, known for its analysis and rulings on complex legal issues. He also authored Talmudic novellae titled Tziyun L'Nefesh Chayah (Tzlach).