Thomas Edison was an American inventor, businessman, and entrepreneur who had an estimated net worth of $12 million at the time of his death in 1931. Edison founded the Edison Electric Light Company, which later became part of Edison General Electric. Thomas Edison Net Worth $12 Million Date of Birth February 11, 1847 Place of Birth Milan, OhioEarly LifeThomas Alva Edison was born on February 11, 1847, in Milan, Ohio. Edison Electric and General ElectricIn 1878, Edison established the Edison Electric Light Company with financial support from wealthy investors. In 1892, Edison General Electric merged with Thomson-Houston Electric Company.