Steven Spielberg was in the very early stages of pre-production for the film "ER" (based on a Michael Crichton novel), when he heard about the "Jurassic Park" book. Description from heroworship1.blogspot.com. I searched for this on bing.com/images
Steven Spielberg wowed the world with his film version of Michael Crichton's blockbuster Jurassic Park. That film's breakthrough special effects really brought dinosaurs back from extinction. Now the mighty dinosaurs are about to rule movie theaters again, with Steven Spielberg back in the director's chair and his team of brilliant effects wizards back on the job.