Page:Popular Science Monthly Volume 90.djvu/677

 Our Greatest Inventor Is Three Score Years and Ten

���Celebrating Thomas A. Edison's seventieth birthday at his West Orange, N. J., factory. From left to right are Henry Ford, Mrs. Exiison, Mr. Ekiison, and Charles Edison, the inventor's son. Beginning work at the age of twelve, as a newsboy on the Grand Trunk line running to Detroit, Mr. Edison owes all his distinction and advancement to himself alone. He has taken out more than a thousand patents. His greatest invention is the incandescent lamp, which has turned night into day, and which has given five million people their living, directly or indirectly

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