RIP Michael Crichton

Famed writer Michael Crichton died unexpectedly Tuesday night after a private battle with cancer, sources say.

Crichton, a 66-year-old medical doctor, was best known for penning "Jurassic Park" and his work with the television show "ER."

He also wrote "The Andromeda Strain," "Sphere" and "Rising Sun" and his 2004 novel, "State of Fear," in which he took on global warming and the theories surrounding it. He directed "Westworld" (1973), "Coma" (1978), "Looker" (1981) and "Runaway" (1984).

Crichton, who graduated from Harvard Medical School, won an Emmy, a Peabody and a Writers Guild of America Award for "ER," and won other awards as well.

[click here to read his New York Times obit]

He is survived by his wife, Sherri, and daughter, Taylor.