Treason of Isengard

Christopher Tolkien, born on 21st November 1924, is the third son of J.R.R. Tolkien. Appointed by Tolkien to be his literary executor, he has devoted himself since his father's death in 1973 to the editing and publication of unpublished writings, notably The Silmarillion and Beowulf, and the collections entitled Unfinished Tales and The History of Middle-earth. Since 1975 he has lived in France with his wife Baillie.