Steve Jobs, Through the Years

<b>June 6, 2011:</b> Apple Inc CEO Steve Jobs delivers the keynote address at the Apple Worldwide Developers Conference in San Francisco, California. Jobs strode back into the spotlight on Monday to unveil the iCloud, a music-streaming service that the company hopes will power its next stage of growth and popularize Web-based consumer services. (Reuters)

<b>June 6, 2011: </b>Apple CEO Steve Jobs talks about the iCloud service at the Apple Worldwide Developers Conference in San Francisco, California. Apple Inc CEO Steve Jobs strode back into the spotlight on Monday to unveil the iCloud, a music-streaming service that the company hopes will power its next stage of growth and popularize Web-based consumer services.  (Reuters)

<b>June 7, 2011: </b>Apple CEO Steve Jobs speaks at a Cupertino City Council meaning in Cupertino, Calif. Jobs made a surprise appearance to announce plans for a major expansion.  (AP)

March 2, 2011: Apple CEO Steve Jobs introduces the iPad 2. (Fox News)

March 2, 2011: Apple CEO Steve Jobs introduces the iPad 2. (Fox News)

<b>Jan. 27, 2010:</b> Apple CEO Steve Jobs holds the new iPad during a product announcement in San Francisco.  (AP)

<b>Sept. 9, 2009: </b>Steve Jobs takes the stage at a special event in San Francisco. Charismatic showman Jobs, who traditionally orchestrates Apple's media showcases, made his first public appearance after returning from medical leave in June. (AP)

<b>Sept. 9, 2009: </b>Steve Jobs takes the stage at a special event in San Francisco. Charismatic showman Jobs, who traditionally orchestrates Apple's media showcases, made his first public appearance after returning from medical leave in June. (AP Photo/Paul Sakuma)

<b>Sept. 9, 2009: </b>Steve Jobs takes the stage at a special event in San Francisco. Charismatic showman Jobs, who traditionally orchestrates Apple's media showcases, made his first public appearance after returning from medical leave in June. (AP Photo/Jeff Chiu)

In this photo combo, Steve Jobs is seen on Sept. 17, 2007 in Berlin, Germany, left, and on Sept. 9, 2008 in San Francisco, right. Jobs, looking to end health rumors, on Monday, Jan. 5, 2009 said that a hormone imbalance is to blame for the weight loss that has prompted worries about his health. (AP)

Oct. 14, 2008: Jobs jokes about his health during a product announcement at Apple headquarters in Cupertino, Calif. (AP)

Sept. 9, 2008: Apple CEO Steve Jobs walks onstage during an event announcing the new iPod Nano and iTunes 8 in San Francisco. (AP)

Sept. 9, 2008: Apple CEO Steve Jobs smiles after a product announcement in San Francisco. (AP)

June 9, 2008: Jobs, noticeably thinner than usual, talks about the iPhone at the Apple Worldwide Developers Conference in San Francisco. (AP)

Jan. 15, 2008: Jobs introduces the Macbook Air at Macworld Expo. (AP)

Sept. 5, 2007: Steve Jobs holds up the Apple iPod Touch in San Francisco. (AP)

Aug. 7, 2007: Steve Jobs demonstrates the new 20- and 24-inch metallic iMacs at a press conference in Cupertino, Calif. (AP)

Jobs in February 2006, about 18 months after his surgery to remove the cancerous part of his pancreas. (AP)

Steve Jobs in May 2002, two years before he was diagnosed with a non-fatal form of pancreatic cancer. (AP)

Steve Jobs' undated official photo on the Apple Web site. (Apple, Inc.)

April 21, 1993: Steve Jobs, co-founder of Apple Computer, gestures during an interview at the heardquarters of Next Computer Inc. in Redwood City, Calif. (AP)

April 4, 1991: Personal computer pioneer Steve Jobs of NeXT Computer Inc., shows off his NeXTstation color computer to the press at the NeXT facility in Redwood City, Calif. (AP)

Sept. 18, 1990: Steven P. Jobs, the president and CEO of NeXT Computer Inc., shows off his company's new NeXTstation, after an introduction to the public in San Francisco, Calif. (AP)

Oct. 12, 1988: In this photo provided by NEXT, personal computer pioneer Steve Jobs gestures at a news conference, where he unveiled his Next computer workstation, as Texas billionaire H. Ross Perot, right, looks on, in San Francisco. Jobs, the college dropout who co-founded Apple Computer, says the computer, into which Perot has invested more than $20 million, will eventually sell for commercial use for about $10,000.  (AP)

Oct. 12, 1988: In this photo provided by NEXT, personal computer pioneer Steve Jobs gestures at a news conference in San Francisco, where he unveiled his Next computer workstation, in San Francisco. Jobs, who co-founded Apple Computer, plans to sell the Next computer for about $10,000. (AP Photo/NEXT, Doug Menuez)