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Richard Henderson, one of the 2017 Nobel Prize winners in Chemistry, smiles prior to a press conference at the Laboratory of Molecular Biology in Cambridge, England, Wednesday, Oct. 4, 2017. Three researchers based in the U.S., U.K. and Switzerland won the Nobel Prize in Chemistry on Wednesday for developments in electron microscopy. The 9-million-kronor ($1.1 million) prize is shared by Jacques Dubochet of the University of Lausanne, Joachim Frank at New York's Columbia University and Richard Henderson of MRC Laboratory of Molecular Biology in Cambridge, Britain. (AP Photo/Frank Augstein)