Ibn Yaḥyā al-Maghribī al-Samawʾal السموأل بن يحيى المغربي، also known as Samau'al al-Maghribi (c. 1130 in Baghdad, Iraq – c. 1180 in Maragha, Iran) was a Muslim mathematician and astronomer of Jewish descent. Though born to a Jewish family, he converted to Islam in 1163 after he had a dream telling him to do so His father was a Jewish Rabbi from Morocco. He was also a writer on Islamic medicine and Islamic theology.