Petrus Alphonsi (1062-1140) also known as Peter Alfonsi. Born Moses Sephardi. Was a Jewish Spanish physician, writer, astronomer, and polemicist, who converted to Christianity. De vita & laudibus Mariae Virginis libellus. Print: Claudium Bornat, 1562 Barcelona. Episcopal Library. Barcelona. Spain.
Petrus Alphonsi (1062-1140) also known as Peter Alfonsi. Born Moses Sephardi. Was a Jewish Spanish physician, writer, astronomer, and polemicist, who converted to Christianity. De vita & laudibus Mariae Virginis libellus. Print: Claudium Bornat, 1562 Barcelona. Episcopal Library. Barcelona. Spain.