Shining a Lamp on Thomas Edison

Thomas Alva Edison (1847-1931) was truly a gift to mankind. His inventionsprofoundly helped to shape the modern world. His genius, insatiable curiosity and unstoppable persistence combined to bring us the incandescent electric light bulb, the telephone receiver, the microphone, the motion pictureprojector, the phonograph, the mimeograph, the dictating machine, the alkaline nickel-iron storage battery and so much [...]
