 CHAR: Hawkeye and Trapper tell a racist white patient that Dr.  Charles Drew, who invented the process to store blood, bled to death  after a car crash because he was black and a "whites only" hospital  refused to admit him. While Dr. Drew did in fact invent a way to  store blood and die in a car crash, the story surrounding the  "whites only" hospital is not true, according to his biography.