Thomas Edison’s career was significantly shaped by key events such as his early work as a telegraph operator, which sparked his interest in electricity. Edison's invention of the phonograph and subsequent development of the electric light bulb were pivotal in establishing his reputation. His partnership with financier J.P. Morgan and the establishment of General Electric further solidified his influence. Additionally, Edison's relentless drive for innovation and numerous patents underscored his commitment to improving daily life through technology. Failures, such as his struggle with AC versus DC electricity, ultimately shaped his adaptive strategies in the rapidly evolving industrial landscape.