“I think the problem is that no one knows where Alan Grant is anymore. He’s retired from paleontology. He’s sick to death of dinosaurs and running. He’s not quite as fleet of foot as he was, and he’s now retired to Dayton, Ohio, and has a very successful accountancy business. I think that’s what’s happened to Alan. Either that or he’s dead,” Neil said.
The segment of Jurassic Park starts around the 4 minutes in the YouTube video below.