J. R. R. Tolkien members of the informal literary discussion group known as the Inklings. Tolkien was appointed a Commander of the Order of the British Empire by Queen Elizabeth II on 28 March 1972. After Tolkien's death, his son Christopher published a series of works based on his father's extensive notes and unpublished manuscripts, including "The Silmarillion". These, together with "The Hobbit" and "The Lord of the Rings", form a connected body of tales, poems, fictional histories, invented languages, and literary essays about a fantasy world called Arda and Middle-earth within it. Between 1951 and 1955, Tolkien applied the term "legendarium" to the
J. R. R. Tolkien to Humphrey Carpenter: Edith Tolkien died on 29 November 1971, at the age of 82. According to Simon Tolkien: Tolkien was appointed by Queen Elizabeth II a Commander of the Order of the British Empire in the 1972 New Year Honours and received the insignia of the Order at Buckingham Palace on 28 March 1972. In the same year Oxford University conferred upon him an honorary Doctorate of Letters. Tolkien had the name Lúthien engraved on Edith's tombstone at Wolvercote Cemetery, Oxford. When Tolkien died 21 months later on 2 September 1973 from a bleeding ulcer and chest infection, at