Scientists and their Discoveries: Thomas Edison
Thomas Alva Edison was one of the most creative inventors in the history of mankind. His inventionsincluding systems for electric lighting, improvements to communication technology, and devices for recording and replaying sounds and moviesshaped the modern world. A tireless worker who often spent up to twenty hours a day at work, he made invention a commercial proposition, setting up the worlds first industrial research laboratory. This book describes Edisons accomplishments and his legacy.