Complex sentence: Many of the more mystical and spiritual elements of Star Wars were influenced by Kurtz, who had extensively studied comparative religion, and had been raised as a member of the Church of Jesus Christ of Latter-Day Saints.
Split into simpler sentences: Many of the more mystical and spiritual elements of Star Wars were influenced by Kurtz, who had extensively studied comparative religion. Kurtz was raised as a member of the Church of Jesus Christ of Latter-Day Saints.