Born February 11,1884
Edison gets a job as a trainboy on the Grand Trunk Railroad, selling newspapers and candy. He sets up a chemistry lab and a printing press on the train.
Edison works as a telegraph operator in various cities of the Midwest, becoming a first-class press-wire operator and experimenting with telegraph instruments.
Edison retires as a telegraph operator to devote his time to invention. He patents several telegraph devices and moves to New York City, where he works for the Laws Gold Indicator Company.
Moved to Newark, New jersey;he opens a telegraph manufacturing shop where he also conducts his inventive work.
Edison devices several important improvements in stock ticker technology. On Christmas Day, he marries Mary still well, one of his employees.
Edison invents the carbon transmitter, a crucial improvement in telephone technology, and the phonograph, which he demonstrates at the offices of Scientific American on December 7.
Edison invents the carbon-filament lamp and a direct-current generator for incandescent electric lighting. A New Year's Eve demonstration of his system is held for the public at Menlo Park.
Mary (Stillwell) Edison dies.
Edison marries Mina Miller.
Edison perfects the phonograph.
Died October 18,1931
Born July 10, 1856 in Croatia
Tesla begins technical schooling in Graz, Austria
Tesla constructs the first poly phase AC motor
Tesla begins working for Edison (in Paris, France)
Tesla immigrates to the United States
Tesla quits working for Edison
Tesla launches Tesla Electric Light & Manufacturing
Tesla builds first AC Induction Motor
Inventor and businessman George Westinghouse buys Tesla's key Poly phase Patents after buying patent for the AC transformer.
Tesla becomes a US citizen
Tesla invents the “ Tesla Coil”
Tesla discovers X-ray radiation while experimenting with HV and evacuated tubes
Tesla harnesses Niagara Falls
A fire destroys Tesla's laboratory.
Tesla runs out of money
Marconi wins Nobel Prize for Radio
Tesla signs over Wardenclyffe deed to pay his debts
Tesla declares bankruptcy
Tesla receives the Edison Medal
Tesla died penniless in NY hotel on January 7, 1943