Highlights the careers of famous inventors, revealing the lesser-known and most fascinating facts about their careers, their wackier hobbies, big flops and great successes. Thomas Edison, for example, created a concrete piano and a machine to speak to the dead. Written snapshots of inventors through the ages are accompanied by photographs of their lives and inventions. From Alexander Graham Bell's multi-nippled sheep to Leonardo da Vinci's walk-on-water shoes, these ludicrous ideas and faulty designs will leave readers with a smile on their faces.