Greetings Thallassa,
And welcome to the Downs.
Writers' relationships with previous authors are very complex. You can find Tolkien's attitude about Macbeth in his essay,
On Fairy-Stories. Carpenter also has a brief reference in his biography of The Professor. You should also check out the good discussion of Tolkien and Shakespeare in a previous thread here on the Downs. Here's the link:
Glamis? Cawdor? A bookworm's musings
Bethberry
[ December 18, 2002: Message edited by: Bethberry ]