source from https://en.wikipedia.org/wiki/Steve_Jobs:
Steven Paul “Steve” Jobs (February 24, 1955 – October 5, 2011) was an American businessman, inventor, and industrial designer. He was the co-founder, chairman, and chief executive officer (CEO) of Apple Inc.; CEO and majority shareholder of Pixar; a member of The Walt Disney Company’s board of directors following its acquisition of Pixar; and founder, chairman, and CEO of NeXT. Jobs is widely recognized as a pioneer of the microcomputer revolution of the 1970s and 1980s, along with Apple co-founder Steve Wozniak.
Jobs was adopted at birth in San Francisco, and raised in the San Francisco Bay Area during the 1960s. Jobs briefly attended Reed College in 1972 before dropping out. He then decided to travel through India in 1974 seeking enlightenment and studying Zen Buddhism. Jobs’s declassified FBI report says an acquaintance knew that Jobs used illegal drugs in college including marijuana and LSD. Jobs told a reporter once that taking LSD was “one of the two or three most important things” he did in his life.
Jobs co-founded Apple in 1976 to sell Wozniak’s Apple I personal computer. The duo gained fame and wealth a year later for the Apple II, one of the first highly successful mass-produced personal computers. In 1979, after a tour of PARC, Jobs saw the commercial potential of the Xerox Alto, which was mouse-driven and had a graphical user interface (GUI). This led to development of the unsuccessful Apple Lisa in 1983, followed by the breakthrough Macintosh in 1984. In addition to being the first mass-produced computer with a GUI, the Macintosh instigated the sudden rise of the desktop publishing industry in 1985 with the addition of the Apple LaserWriter, the first laser printer to feature vector graphics. Following a long power struggle, Jobs was forced out of Apple in 1985.
After leaving Apple, Jobs took a few of its members with him to found NeXT, a computer platform development company specializing in state-of-the-art computers for higher-education and business markets. In addition, Jobs helped to initiate the development of the visual effects industry when he funded the spinout of the computer graphics division of George Lucas’s Lucasfilm in 1986. The new company, Pixar, would eventually produce the first fully computer-animated film, Toy Story—an event made possible in part because of Jobs’s financial support.
In 1997, Apple acquired and merged NeXT, allowing Jobs to become CEO once again, reviving the company at the verge of bankruptcy. Beginning in 1997 with the “Think different” advertising campaign, Jobs worked closely with designer Jonathan Ive to develop a line of products that would have larger cultural ramifications: the iMac, iTunes and iTunes Store, Apple Store, iPod, iPhone, App Store, and the iPad. Mac OS was also revamped into OS X (renamed “macOS” in 2016), based on NeXT’s NeXTSTEP platform.
Jobs was diagnosed with a pancreatic neuroendocrine tumor in 2003 and died of respiratory arrest related to the tumor on October 5, 2011.