Are Michael Crichton and McG both authors?
McG Joseph McGinty Nichol (born August 9, 1968), known mononymously as McG, is an American director, producer, and former record producer.
David G. Compton David Guy Compton (born August 19, 1930) is a British author who writes science fiction under the name D. G. Compton. He used the name Guy Compton for his earlier crime novels and the pseudonym Frances Lynch for his Gothic novels. He has also written short stories, radio plays, and a non-fiction book on stammering, its causes and cures.