Hm. Lots to enjoy in this puzzle, where I had several answers dawn on me after I half-parsed the wordplay. But 1d defeated me (despite having all the crossers) and after having googled the answer it feels completely unfair.
I liked 3d once the penny dropped, and 23d for an excellent surface reading.
I'm not convinced by 6d/8d and the long anagram. Using the underscore to get the fodder to work out seems inelegant.