Samuel R. Delany has been chosen as the 2013 recipient of the Damon Knight Memorial Grand Master Award by the Science Fiction & Fantasy Writers of America, for his lifetime achievement in science fiction and fantasy. During his career he has won four Nebula awards, two Hugo awards, was inducted into the Science Fiction and Fantasy Hall of Fame in 2002 as well as many other awards and achievements.
If you have never read his work, here are a few titles you may want to try out:
 Dhalgren 
 Trouble on Triton 
 Babel-17/Empire Star