Most of the above mentioned are on my list. Here's a few I feel don't get enough posthumous recognition as others:
RIP Kid Hood from Scenario remix
RIP Bloodshed of C.O.C. (and Big L)
RIP Matt Doo, the artist who did Organized's Stress cover art
RIP Rockafella of The Hit Squad who appears on Redman's 2nd album
RIP Scientifik
Non-Hip Hop: Melvin Sparks, James Brown, MJ, Mark Adams of Slave, Isaac Hayes, Mike Blooomfield, Marvin Gaye and others
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