Steve Jobs had no formal schooling in engineering, yet he is listed as the inventor or co-inventor on more than 200 US patents.
These are some of the products that were created under his direction:
1. Apple I (1976) - Apple's first product was a computer for hobbyists and engineers, made in small numbers.
2. Apple II (1977) - One of the first successful personal computers, the Apple II was designed as a mass-market product rather than something for engineers or enthusiasts.
3. Macintosh (1984) - The Macintosh had a graphical user interface and the backing of a large advertising campaign. People soon realised how useful the graphical interface was for design. That led "desktop publishing", accomplished with a Mac coupled to a laser printer, to soon become a sales driver.
4. iMac (1998) - When Jobs returned to Apple in 1996, the company was floundering. The radical iMac was the first step in reversing the slide. It captured the imagination just as people across the world were having their eyes opened to the benefits of the internet and getting their first home computer.
5. iPod (2001) - It was not the first digital music player with a hard drive, but it was the first successful one. The iPod's success prepared the way for the iTunes music store and the iPhone.
6. iTunes store (2003) - Before the iTunes store, buying digital music was a hassle, making piracy the more popular option. The store simplified the process. It became the largest music retailer in the US in 2008.
7. iPhone (2007) - The iPhone did for the phone experience what the Macintosh did for personal computing -- it made the power of a smartphone easy to harness. Apple is now the world's most profitable maker of phones.
8. iPad (2010) - Dozens of companies, including Apple, had created tablet computers before the iPad, but none caught on with the public. The iPad finally cracked the code, creating a whole new category of computer practically by itself.