Who were Philosophers behind western religious philosophy?

The major philosophers are Thomas Aquinas, St. Augustin, St. Paul, and John Calvin of Geneva and Martin Luther, the key figures of the Reformation.

AnswerArius or Arianism & St. Pelagius or Pelagianism. AnswerIbn Rushd- one of The Great Muslim Philosopher Who Planted The Seeds of European Renaissance.

the Muslim Ibn Rushd (better known in the West as Averroës, but also in medieval times as Avén Ruiz and Averrhoes) has been held as one of the greatest thinkers and scientists of the 12th century. Ibn Rushd influenced Western thought from the 12th to the 16th centuries. His books were included in the syllabi of Paris and other universities till the advent of modern experimental sciences. he was a Spanish Muslim Philosopher (1128-1198).