Michael Crichton and Stephen Gurewitz, have which mutual occupation?
Michael Crichton: 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. Stephen Gurewitz: Stephen Gurewitz is an American film director, actor, and film editor.
i don't know