When Jurassic Park premiered in June 1993, it wasn’t just another summer blockbuster. Many of us still remember sitting in the theater, popcorn in hand, in awe as a shockingly lifelike brachiosaur appeared. The dinosaur moved, ate, and roared across the screen with a realism we’d never seen before. Director Steven Spielberg worked closely with paleontologists such as Jack Horner to base the film in modern scientific understanding, but as Horner himself has said, “We weren’t trying t...