The most common and most likely answer to this crossword clue is the 13 letter word CAMPANOLOGIST
I've seen this crossword clue in The Guardian
C
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P
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More clues leading to the result CAMPANOLOGIST
- Captain’s gloom dispersed by one ringing the changes
- Bob’s producer?
- Plot coming as a surprise in For Whom The Bell Tolls
- Go properly prepared with complaint as one who knows the ropes
- Captain’s gloom — after manoeuvres he rings the changes
- He rings the changes as politician in action, and goal’s revised
- One with pulling power to attract worshippers?
Buddy explains!
The straight part
We know that "For Whom The Bell Tolls/For Whom The Bell Tolls" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case for whom the bell tolls/for whom the bell tolls = campanologist.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.