J. R. R. Tolkien
The request for a sequel prompted Tolkien to begin what would become his most famous work: the epic novel "The Lord of the Rings" (originally published in three volumes 1954–1955). Tolkien spent more than ten years writing the primary narrative and appendices for "The Lord of the Rings", during which time he received the constant support of the Inklings, in particular his closest friend C. S. Lewis, the author of "The Chronicles of Narnia". Both "The Hobbit" and "The Lord of the Rings" are set against the background of "The Silmarillion", but in a time long after it.
J. R. R. Tolkien
As well as his fiction, Tolkien was also a leading author of academic literary criticism. His seminal 1936 lecture, later published as an article, revolutionized the treatment of the Anglo-Saxon epic "Beowulf" by literary critics. The essay remains highly influential in the study of Old English literature to this day. "Beowulf" is one of the most significant influences upon Tolkien's later fiction, with major details of both "The Hobbit" and "The Lord of the Rings" being adapted from the poem. The piece reveals many of the aspects of "Beowulf" which Tolkien found most inspiring, most prominently the role of monsters in literature, particularly that of the dragon which appears in the final third of the poem: