Question: Who has a grammy oscar tony and emmy?
Disambiguated questions and answers: question: Who has a grammy, oscar, tony, and emmy, all in competitive categories?
Who has a grammy, oscar, tony, and emmy, including non-competitive categories?
answer: 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
Barbra Streisand, Liza Minelli, James Earl Jones, Alan Menken, Harry Belafonte, Quincy Jones
Natural Questions answer: Marvin Hamlisch
Whoopi Goldberg
Scott Rudin
Mike Nichols
Rita Moreno
Jonathan Tunick
Robert Lopez
Helen Hayes
Audrey Hepburn
Richard Rodgers
Mel Brooks
John Gielgud (from the Wikipedia article "List of people who have won Academy, Emmy, Grammy, and Tony Awards")