Crossword puzzle clue "park where this puzzle's honoree did his most famous work"

___ Park, where this puzzle's honoree did his most famous work

Puzzle honoree [solve the puzzle, then reveal his victorious "pose" by connecting the dots alphabetically!]

He named a minor character in his most famous work Vivian Darkbloom, an anagram of his name

March 17 honoree, as well as this puzzle's honoree

Opus ___ (Catholic teaching also called "the Work, work work work work")

Author whose initials can be anagrammed into the second word of his most famous work

Best-selling author who wrote "I did not write it. God wrote it. I merely did his dictation"

Elevated expectations ... or what this puzzle's maker did to five answers in this puzzle?