Thomas Alva Edison

Thomas Alva Edison thomas edison Thomas Edison Thomas Alva Edison was a famous American inventor and businessman whose work played a key role in forming the basis for the technological and thomas jefferson In 1862, he learned how to use a railroad telegraph Edison then spent many years traveling around Canada and the , working as a telegraph operator and

thomas jefferson NIHF Inductee Thomas Edison earned patents for many inventions

thomas edison During the telephone experiments, Edison noticed a faint recording This led him and his team to invent the phonograph Although Thomas Edison was awarded 2,332 worldwide patents as an inventor, one of his lasting contributions to modern society was not proprietary: the job