Born 1963, Rick Rubin is one of the most infamous producers of modern music and has been responsible for the birth of 2 labels: [l=Def Jam Recordings], with Russell Simmons in 1984 and [l=Def American Recordings] in 1988 (later changed to [l=American Recordings]). He has produced some of the "heaviest" tunes if not sonically (Slayer, Public Enemy) then emotionally (Johnny Cash, Mars Volta).
http://twitter.com/RickRubin
http://en.wikipedia.org/wiki/Rick_Rubin
http://www.allmusic.com/artist/rubin-p120832
http://www.imdb.com/name/nm0005391
http://equipboard.com/pros/rick-rubin