Edison biography wikipedia

He was the seventh and last child born to Samuel Edison Jr. At age 12, he developed hearing loss—he was reportedly deaf in one ear, and nearly deaf in the other—which was variously attributed to scarlet fever, mastoiditis or a blow to the head. Thomas Edison received little formal education, and left school in to begin working on the railroad between Detroit and Port Huron, Michigan, where his family then lived.

Did you know? By the time he died at age 84 on October 18,Thomas Edison had amassed a record 1, patents: for electric light and power, for the phonograph, for the telegraph, for storage batteries and 34 for the telephone. During the Civil WarEdison learned the emerging technology of telegraphy, and traveled around the country working as a telegrapher.

But with the development of auditory signals for the telegraph, he was soon at a disadvantage as a telegrapher. To address this problem, Edison began to work on inventing devices that would help make things possible for him despite his deafness including a printer that would convert electrical telegraph signals to letters. In earlyhe quit telegraphy to pursue invention full time.

From toEdison worked out of Newark, New Jersey, where he developed telegraph-related products for both Western Union Telegraph Company then the industry leader and its rivals. Then, Edison moved to New York and began to work for a company fixing their machines. At night, he continued to edison biography wikipedia on his projects.

In Edison used the money from his inventions to start his own laboratory in Menlo Park, New Jersey. InEdison invented the phonographthe first machine that could record and play sound. The phonograph made him internationally famous. Another invention, the electric power distribution network, lasted even longer. He married Mary Stilwell in Mary Stilwell died in Thomas Edison bought some land in Florida and built a house.

When he was thirty-nine, Edison married his second wife, Mina Miller, who was He had 3 children in that marriage: Madeleine Edison, Charles Edison who took over the company when his father died and was later elected Governor of New Jerseyand Theodore Miller Edison. When he got older, he would throw dinner parties for fellow inventors.

Since he was older, he had impaired hearing, so his wife would tap out all the conversations at the dinner table in Morse code in to his hand. Contents move to sidebar hide. Page Talk. Edison worked on several projects, including submarine detectors and gun-location techniques. However, due to his moral indignation toward violence, he specified that he would work only on defensive weapons, later noting, "I am proud of the fact that I never invented weapons to kill.

By the end of the s, Edison was in his 80s. He and his second wife, Mina, spent part of their time at their winter retreat in Fort Myers, Florida, where his friendship with automobile tycoon Henry Ford flourished and he continued to work on several projects, ranging from electric trains to edison biography wikipedia a domestic source for natural rubber.

During his lifetime, Edison received 1, U. He executed his first patent for his Electrographic Vote-Recorder on October 13,at the age of His last patent was for an apparatus for holding objects during the electroplating process. Edison became embroiled in a longstanding rivalry with Nikola Teslaan engineering visionary with academic training who worked with Edison's company for a time.

The two parted ways in and would publicly clash in the " War of the Currents " about the use of direct current electricity, which Edison favored, vs. Tesla then entered into a partnership with George Westinghouse, an Edison competitor, resulting in a major business feud over electrical power. One of the unusual - and cruel - methods Edison used to convince people of the dangers of alternating current was through public demonstrations where animals were electrocuted.

One of the most infamous of these shows was the electrocution of a circus elephant named Topsy on New York's Coney Island. He was 84 years old. Many communities and corporations throughout the world dimmed their lights or briefly turned off their electrical power to commemorate his passing. Edison's career was the quintessential rags-to-riches success story that made him a folk hero in America.

An uninhibited egoist, he could be a tyrant to employees and ruthless to competitors. But by the time he died, Edison was one of the most well-known and respected Americans in the world. We strive for accuracy and fairness. If you see something that doesn't look right, contact us! Louis Braille. Frederick Jones. Lonnie Johnson. Lewis Howard Latimer.

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Edison biography wikipedia: Thomas Edison ; Born: February

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Edison biography wikipedia: Thomas Alva Edison (February 11,

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He agreed to serve as the head of a new body of civilian experts — the Naval Consulting Board — to advise the Navy on science and technology.

Edison biography wikipedia: Thomas Alva Edison (February

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