Prestigious prize with six categories (5)

I believe the answer is:

nobel

(Other definitions for nobel that I've seen before include "Alfred -, Swedish dynamite inventor" , "Dynamite inventor, Prize founder" , "& 27 Down International award" , "6 24 113 [SCAN-DIN-AVIAN] chemist" , "Prize giver" .)

I've seen this clue in the LA Times.

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