Simeon ben Zemah Duran, also Tzemach Duran, known as Rashbatz 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. Wikipedia
Born: 1361, Majorca, Spain
Died: 1444 (age 83 years), Algiers [El Djazaïr], Algeria