Lon Kilgore is an American author and academic known for his contributions to the fields of exercise science and weightlifting. He has a background in physiology and has written several books and articles on strength training, physical conditioning, and coaching. Kilgore has worked as a researcher and university lecturer, and he has also been involved in the sport of weightlifting as an athlete, coach, and referee. One of his most well-known works is "Starting Strength," which he co-authored with Mark Rippetoe, a book widely regarded for its practical approach to barbell training. His expertise in human performance and his practical advice for strength and conditioning make him a respected figure in the fitness and weightlifting communities.