Michael Crichton (October 23, 1942 – November 4, 2008) was an American author of many books. His books were usually in the science fiction, medical fiction, and thriller genres. He was also a producer, director, and doctor.
Crichton is well known for writing novels that later became well-known Hollywood movies. His most famous work was Jurassic Park. Other examples of Crichton's novels that later went on to become big-budget films include Congo, The Lost World, Rising Sun, and Sphere.
Crichton has also created the ER television show.