George Lucas is a successful film director, producer, and screenwriter. His most famous films include Star Wars and the prequels, Indiana Jones and American Graffiti. He was diagnosed with type 2 diabetes when he was getting a checkup during his draft for the Vietnam War. He inherited the disease from his paternal grandfather. George Lucas set a great example for millions of diabetic patients around the world by keeping his blood sugar levels under control for about 50 long years.