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 After Tolkien's death, his son Christopher published a series of works based on his father's extensive notes and unpublished manuscripts, including "The Silmarillion".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 Literature, in which post he remained until his retirement in 1959. He served as an external examiner for University College, Dublin, for many years. In 1954 Tolkien received an honorary degree from the National University of Ireland (of which U.C.D. was a constituent college). Tolkien completed "The Lord of the Rings" in 1948, close to a decade after the first sketches. Tolkien also translated the Book of Jonah for the "Jerusalem Bible", which was published in 1966. The Tolkiens had four children: John Francis Reuel Tolkien (17 November 1917 – 22 January 2003), Michael Hilary Reuel Tolkien (22 October 1920