Back سمعان انا زيما دوران ARZ Simó Ben Zemah Duran Catalan Salomo ben Simon Zemach Duran German Simón ben Zemah Durán Spanish شمعون بن صمح دوران Persian Shimon ben Tsemah Duran French שמעון בן צמח דוראן HE Simon ben Cemáh Durán Hungarian Дуран, Шимон бен Цемах Russian
Simeon ben Zemah Duran, also Tzemach Duran (1361–1444; Hebrew: שמעון בן צמח דוראן), known as Rashbatz (רשב"ץ) or Tashbatz, was a Rabbinical authority, student of philosophy, astronomy, mathematics, and especially of medicine, which he practised for a number of years at Palma de Mallorca. A major 15th century posek, his published decisions in matters of halakha have been widely quoted in halakhic literature for hundreds of years.