Question: Are Michael Crichton and McG both authors?
Related documents: [0]  [DOC] John Michael Crichton ( ; October 23, 1942 – November 4, 2008) was an American best-selling author, screenwriter, film director and producer best known for his work in the science fiction, medical fiction and thriller genres. His books have sold over 200 million copies worldwide, and many have been adapted into films. [END] 
[1]  [DOC] Joseph McGinty Nichol (born August 9, 1968), known mononymously as McG, is an American director, producer, and former record producer. [END] 
Answer: 
no
no