Jeff Koons poses in front of one of his sculptures during a media preview of "Jeff Koons: A Retrospective" at the Whitney Museum of American Art on June 24, 2014. Timothy A. Clary/AFP/Getty Images hide caption

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"We got the number of the Vatican and called the pope," Steve Jobs says of the first project he worked on with Steve Wozniak. Later, the two founded Apple Computer. hide caption

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For his upcoming biography of Apple co-founder Steve Jobs, Walter Isaacson conducted more than 40 interviews with the enigmatic tech leader.

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