Mmmm.
Not a fan of counting through clues and nearly gave up as I do not submit.
Persisted though and the denouement was (possibly) worth it.
This puzzle may have been more challenging to set than to solve.
Being picky - the corrections identify four groups of dedicatees. There will be thousands in the world who fit these criteria. I assume we are supposed to use the most famous ones but almost any submission could be judged correct.