Steve Jobs was a co-founder of Apple Computers who transformed technology and media through innovations like the iMac, iPod, iPhone, and iPad. Born in 1955 in California, he dropped out of college but co-founded Apple at age 21, leading the company until leaving in 1985. He pursued other ventures like Pixar and returned to Apple in 1997 to realign its products and launch the successful "i" line. Considered a visionary, Jobs changed how people interact with technology through intuitive user interfaces and integrated digital lifestyles.