Edison did not 'invent' electricity, nor did he discover it
He didn't.
Yes, he opened more than one invention factory, one had caught on fire when he was at the age of 67 and then he decided to make another invention factory because he said that he wasn't too old to start over, so he made another invention factory and kept inventing.
Stone cutting tools preceded everything else
Thomas Edison died on October 18, 1931 at the age of 84.
Edison played a critical role in introducing the modern age of electricity. He was one of the first inventors to use the rules of mass production and large teamwork to make an invention, and so he is often acknowledged with the making of the first industrial research laboratory. Thomas Edison was known for the many inventions he had created like: The Carbon Telephone Transmitter, Electric Light, Electric Power Distribution, Motion Picture Camera, Research Laboratory, Alkaline Battery, First Electric Railroad, Phonograph and many more. He was also known for his failures such as the fluoroscope. He almost lost his own sight trying to create that invention, unfortunately his assistant Clarence Dally lost his life due to being exposed to a toxic dose of radiation. The American Society considered Edison to be one of the most successful in history. Thomas Edison is an important individual in history, because he played a critical role in introducing the modern age of electricity. The American Society considered Edison to be one of the most successful in history. He was granted 1,093 patents in the United States, which was the most patents ever granted to anyone in history.
Thomas EDison had no illness, he just died of old age.
Techonlogical inventions which made the Age of Exploration possible included a sextant, which sailors used to navigate by the stars, and a compass.
Electricity is energy, which is as old as the universe itself.
no one assassinated Thomas Edison, he died of old age.
He died in 1896 at the age of 92. He was the father of Thomas Edison.
The Heroic Age of American Invention was created in 1961.
The real "Father of the Electric Age" was Nikola Tesla, who invented AC electricity (still used to day, by Edison's DC plan, you would need power stations every mile), was the first inventor of radar (Edison convinced the US that radar was not useable, and could have been deployed as early as WW1, saving a heck of a lot of trouble in the long run). Due to Edison screwing Tesla out of other deals, he was well in the works of building a tower to provide nearly unlimited free electricity, an essencial death ray that could essentially make all war useless (but by this point he was seeing laser pigeons. No. Seriously.), and a HUGE number of brilliant experiments that died with him. His notes on the mystery invention were never completed. "The Oatmeal" has a great piece on Tesla: "Why Nikola Tesla was the Greatest Geek who ever lived."