Petrus Alphonsi was a Spanish physician, writer, astronomer and polemicist who was born and raised as a Jew and later in life converted to Christianity in 1106. He is also known just as Alphonsi, and
Petrus Alfonsi's Tetragrammaton-Trinity diagram, which influenced Joachim of Fiore and the development of the Shield of the Trinity diagram
A 13th-century Belgian manuscript showing the dialogue between the Jew "Moyses" and the Christian "Petrus"
Latin translations of the 12th century were spurred by a major search by European scholars for new learning unavailable in western Europe at the time; their search led them to areas of southern Europe
Petrus Alphonsi
…a collection of 33 tales, composed in Latin at the beginning of the 12th century. This work is a collection of oriental tales of moralizing character, translated from Arabic. Some of the tales he drew on were from tales later incorporated into Arabian Nights, including the "Sindibad the Wise" story cycle (not…
Albohali's De Iudiciis Natiuitatum was translated into Latin by Plato of Tivoli in 1136, and again by John of Seville in 1153. Here is the Nuremberg edition of John of Seville's translation, 1546.
Ibn Butlan's Tacuinum sanitatis, Rhineland, 2nd half of the 15th century.
King Alfonso X (the Wise)
Al-Razi's Recueil des traités de médecine translated by Gerard of Cremona, second half of the 13th century.