An article by Paul Israel from the Prototype newsletter discusses the various laboratories used by Thomas Edison as he was developing his inventions.

Edison's genius was improving on others' technologies and making them more practical for the general public. Thomas Edison applied for his first patent in 1868, when he was just 21 years old. The famous inventor's first brainchild was...

The biography of the fascinating African-American inventor, Lewis Latimer. In addition to finding out about his development of the carbon filament for the incandescent lamp, you can read about his expertise in patent law, his association...

This primary source set explores the development, commercialization, and impact of electricity.