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This Sept. 30, 2010 file photo shows Nobel laureate William Lipscomb Jr., during a performance at the Ig Nobel Prize ceremony at Harvard University in Cambridge, Mass.
William Nunn Lipscomb Jr., a Harvard University professor who won the Nobel chemistry prize in 1976 for his work on man-made compounds consisting of boron and hydrogen and the problems of chemical bonding, has died.
Nobel Prize laureates, from left, William Lipscomb, Richard Roberts and Dudley Herschbach, demonstrate the research which won the acoustics award, by scratching a garden implement on a stone to simulate the sound of fingernails on a chalkboard, Thursday, Oct. 5, 2006.