Charles Franklin Kettering was an American inventor, engineer, businessman, and holder of over 140 patents. Some synonyms for him include a prolific inventor, a trailblazer in automotive technology, and a genius in industrial research. He is also known for his achievements in creating the first electric cash register, inventing the automobile self-starter, developing a high compression engine, and pioneering the use of leaded gasoline. Kettering is often seen as a visionary who revolutionized the automotive industry with his inventions and research. His contributions have greatly impacted the world, and his legacy continues to inspire new innovations in science and technology.