All elements were the subject of considerable correspondence and fussing over by Tolkien.
British Dictionary definitions for Tolkien
J(ohn) R(onald) R(euel). 1892–1973, British philologist and writer, born in South Africa. He is best known for The Hobbit (1937), the trilogy The Lord of the Rings (1954–55), and the posthumously published The Silmarillion (1977)