Steve Jobs, the mastermind behind Apple's iPhone, iPad, iPod, iMac and iTunes, has died, Apple said. Jobs was 56.
Jobs died peacefully, surrounded by family members, his family said in a statement. In recent years Jobs had fought a form of pancreatic cancer and had a liver transplant.
"Steve's brilliance, passion and energy were the source of countless innovations that enrich and improve all of our lives," read a statement by Apple's board of directors. "The world is immeasurably better because of Steve. His greatest love was for his wife, Laurene, and his family. Our hearts go out to them and to all who were touched by his extraordinary gifts."
Jobs co-founded Apple Computer in 1976 and, with his childhood friend Steve Wozniak, marketed what was considered the world's first successful personal computer, the Apple II.
Industry watchers called Jobs a master innovator -- perhaps on a par with Thomas Edison -- changing the worlds of computing, recorded music and communications.
"I'm shocked and disturbed," said Wozniak when reached by ABC News. Later, on ABC News' "Nightline," he said it was hard to imagine, in some ways, how the world would move forward without Jobs.
"You get shocked when people you know die," Wozniak said. "And this was closer to when John Lennon died, or JFK or Martin Luther King."
As Jobs' death was announced, the homepage of Apple's website switched to a full-page image of Jobs with the text, "Steve Jobs 1955-2011."
Clicking on the image brought one to additional text that was attributed to current Apple's current CEO, Tim Cook.