The Man From Whom C. S. Lewis Borrowed Most of His Ideas

Without the influence of a 19th-century minister named George MacDonald, we may never have had classics such as The Chronicles of Narnia, The Lord of the Rings, or even Alice in Wonderland. It was George MacDonald whom C.S. Lewis claimed as his master, saying, “I have never written a book in which I did not quote from him.” So who is this MacDonald?