Cubism pioneer (7)

I believe the answer is:

picasso

(Other definitions for picasso that I've seen before include "Pablo ,,,,,,,, great late Spanish artist" , "Pablo, great Spanish painter" , "Pablo -, Spanish painter/sculptor" , "So aspic is out for the Spanish artist" , "Pablo . . . . . . ., great Spanish artist of 20th century" .)

I've seen this clue in the LA Times.

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