This Teaching With Historic Places lesson plan about Thomas Edison's laboratories is filled with maps, readings, critical thinking questions, and photographs related to Edison's labs and inventions. This site explains and details the...

A screen shot from Thomas A. Edison, Inc.'s "Annie Oakley."

John Ambrose Fleming was an electronics pioneer who invented the oscillation valve, or vacuum tube, a device that would help make radios, televisions, telephones and even early electronic computers possible. A brilliant innovator,...