Ibn Rushed, in Europe known as Averroes (1120-1198) was born in Cordoba, Spain. He was a scholar of Islam and a highly regarded philosopher. He was a Quazi(a judge) and wrote many books on wide ranging subjects.
Thomas Aquinas (St. Thomas 1225-1274) an important theologian of the 13th century In his famous book “Summa Contra Gentiles” quotes Ibn Rushd many times and refer to him as “commentator”.
Here is a link to a BBC program discussing Averroes on a In our times.
The ABCs of Islam and Sufism 