Who has a grammy oscar tony and emmy?
Who has a grammy, oscar, tony, and emmy, all in competitive categories? 
 Richard Rodgers, Helen Hayes, Rita Moreno, John Gielgud, Audrey Hepburn, Marvin Hamlisch, Jonathan Tunick, Mel Brooks, Mike Nichols, Whoopi Goldberg, Scott Rudin, Robert Lopez, John Legend, Andrew Lloyd Webber, Tim Rice