Dedicatee of "Moby-Dick" (9)
I believe the answer is:
hawthorne
(Other definitions for hawthorne that I've seen before include "Nathaniel . . . . . . . . ., American author of 'The Scarlet Letter" , "Novelist" , "One of the US authors" , "Nathaniel ......... wrote ` `The Scarlet Letter' '" .)