Noted inventor Thomas Edison at the lightbulb's golden jubilee anniversary banquet in his honor, Orange, New Jersey, October 16, 1929. He is exhibiting in his hand a replica of his first successful incandescent lamp which gave 16 candlepower of illumination, in contrast to the latest lamp, a 50,000 watt, 150,000 candlepower lamp. (Photo by Underwood Archives/Getty Images)
