Artificial Light By duane.helfer@d11.org 125,000 BCE Humans Control Fire 4500 BCE Oil Lamps Invented 3000 BCE Candles Invented 1792 William Murdoch Invents Gas Lighting 1867 A. E. Becquerel Invents Fluorescent Lamp 1874 Alexander Lodygin patents an incandescent light bulb 1927 Oleg Losev creates the first LED 1981 Philips sells first Compact Fluorescent Energy Saving Lamps 2011 Philips wins prize for LED screw-in lamp
