Little people know that Rick Rubin is someone who helped make hip hop popular , I have an old video of him jamming on a TR909 with Afrika Bambaataa back in the early 80s. Without him , hip hop would not have been what it was. Funny as he is mostly known for his (successfull) Metal productions. But he is the "white guy" that defined hip hop sound. The crap we hear today is not hip hop, i dont know what it is frankly...

I'd say most hiphop fans know Rick Rubin. In fact, he co-produced the lastest Kanye and Eminem albums...