Tolkien finally excused himself to return home, while Lewis and Dyson continued to talk until 4:00 a.m. An intellectual barrier to faith had collapsed. Twelve days later Lewis confessed to Arthur Greeves: “I have just passed on from believing in God to definitely believing in Christ—in Christianity. I will try to explain this another time. My long night talk with Dyson and Tolkien had a great deal to do with it.”100
