Convergent authorship

Etymologically, authorship is another word for creativity. The literary tradition of mankind, as well as more broadly,
its cultural tradition, is that of combined authorship. More particularly, see convergent authorship in how something moves from George Lucas to other creative people, decade after decade. Or how Lovecraft's authorship is converging still today with many authors, generating specificities like Moorecraftian --- referencing the combination of the mind products of Alan Moore and Lovecraft, e.g.
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* Moorecraftian