Complex sentence: William Sturgis Bigelow a physician and Buddhist attempted to merge biology with spirituality, he accepted the existence of both material and spiritual realms, many of his ideas were discussed in his book "Buddhism and Immortality" (1908).
Split into simpler sentences: William Sturgis Bigelow a physician and Buddhist attempted to merge biology with spirituality. He accepted the existence of both material and spiritual realms, and many of his ideas were discussed in his book "Buddhism and Immortality" (1908).