Science Struck
Science Struck: Timeline of Thomas Edison's Inventions
Describes Thomas Edison's inventions in chronological order from 1868 to 1915, with mention of his contribution to World War I.
Energy for Sustainable Development
Esd Bulgaria: Kids & Energy: Energy Pioneers: Thomas Alva Edison
A profile of Thomas Alva Edison, who lived from 1847 to 1931, an American who made many important inventions, such as the electric light bulb. A timeline of his inventions is provided here.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1880 1889
Nikola Tesla and Thomas Edison duke it out over the best way to transmit electricity and Heinrich Hertz is the first person (unbeknownst to him) to broadcast and receive radio waves.