Former Pittsburgh Steelers defensive lineman L.C. Greenwood waving to fans in 2006. He died Sunday at the age of 67. Stephen M. Gross /UPI /Landov hide caption

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Joy Covey, then the chief financial officer of, on the floor of the Chicago Board Options Exchange in 1997, the year Amazon went public. She was with exchange Vice Chairman Thomas Ascher (left) and CEO William Brodsky. John Zich/Chicago Board Options Exchange/AP hide caption

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Writer Elmore Leonard died Tuesday at the age of 87. Dermot Cleary/Chasen hide caption

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Virginia Johnson and her then-husband, William Masters, in 1972. They studied sexual behavior for decades. She died this week in St. Louis. Masters died in 2001. AP hide caption

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This early version of the mouse (named for its tail-like cord) was assembled by Douglas Engelbart and his Stanford team in 1963. Getty Images/Life hide caption

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Author Richard Matheson's science fiction stories included The Shrinking Man, I Am Legend, and numerous other movie and TV scripts, including episodes of The Twilight Zone. Archive of American Television hide caption

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Bobby "Blue" Bland at the 2011 New Orleans Jazz & Heritage Festival. Rick Diamond/Getty Images hide caption

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Actor James Gandolfini has died while on a trip to Italy. He's seen here with Sopranos co-stars Edie Falco, left, and Lorraine Bracco. Paul Hawthorne/Getty Images hide caption

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