Steve Jobs co-founded Apple with school friend Steve Wozniak in 1976. Initially based out of Mr Jobs' family garage in California, the firm has grown into the world's most valuable technology company. Click on the dates and images to see how Apple's share price has been affected by key events and product launches.
Apple II
Although this was not Apple's first home computer, the Apple II was the company's breakthrough product. Its MOS 6502 processor ran at 1MHZ and was supported by a maximum 48K RAM. Original retail price: $1298 (£780).
Apple Lisa
One of the first personal computers to use a graphical user interface. Customers were introduced to the idea of using a mouse to click on icons and open windows. Its $9,995 (£6,455) price tag limited sales
MACINTOSH
At a time when PCs were using text-based command line interfaces, Apple pioneered the use of moveable windows. The Macintosh's single integrated processor and monitor design is still used in the iMac line of computers.
NeXT Station
Launched by Steve Jobs after he left Apple, only around 50,000 computers were ever manufactured. Apple later used its operating system as the basis for OS X to run its Macintosh computers.
iMac
Steve Jobs marked his return to Apple with the iMac line of computers. Remembered more for their radical looks than technical specs, the iMac's multi-coloured shells were created by British designer Jonathan Ive.
iPod
MP3 players had been around for a couple of years. Apple simply refined their design with a compact, elegant and now iconic while package. The first model only had a 5GB hard drive - enough for 1,000 songs, according to Apple.
iPhone
Apple's entry into the mobile market had been long anticipated. Again, the company took existing technologies - such as the touch screen - refined them and added a touch of design flair. It sent shockwaves through the industry, still being felt today.
iPad
Steve Jobs revealed that development on the iPad started before work on the iPhone. It sparked a deluge of tablet products from almost every computer and mobile maker. But the iPad remains the top seller with around 60% market share.
22 Jan 1984
The Macintosh advert, directed by Ridley Scott, is screened on primetime US TV during the Super Bowl. The visually striking commercial alluded to George Orwell's novel 1984 and was regarded as Apple striking a blow against the conformity of its rival, IBM.
13 Sep 1985
Steve Jobs resigns from Apple after clashing with chief executive John Sculley over product direction. Mr Jobs had wanted to cut the price of the firm's Macintosh computers to drive sales.
20 Dec 1996
Apple announces plans to buy NeXT, bringing back Steve Jobs as an "informal adviser".
16 Sep 1997
Steve Jobs becomes Apple's chief executive, initially on an "interim" basis.
23 Oct 2001
Steve Jobs unveils the first iPod. Initially it was only compatible with Macintosh computers. Analysts gave it a mixed reaction. They criticised its price and were unsure about the appeal of its unusual scroll wheel.
1 Aug 2004
Steve Jobs sends email to Apple staff telling them he has had surgery for pancreatic cancer.
7 Jan 2007
The first iPhone is unveiled by Steve Jobs. The design was widely praised but the $599 price tag was less popular. The firm eventually cut the cost and offered early adopters a $100 store credit.
5 Jan 2009
Steve Jobs announces he is taking a six-month leave of absence to focus on his health.
28 Jan 2010
Steve Jobs unveils the first iPad. Critics attack the computer tablet for being little more than a giant version of Apple's iTouch. More than one million were sold in the first 28 days of its release.
17 Jan 2011
Steve Jobs says he is taking a second leave of absence for medical reasons.
24 Aug 2011
Steve Jobs resigns on grounds of ill health as Apple's chief executive and is replaced by Tim Cook.
6 Oct 2011
Apple's share price falls on news of Steve Jobs' death.
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