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

itoggle caption Archive of American Television

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

itoggle caption Paul Hawthorne/Getty Images