Japanese scientist Ei-ichi Negishi and 2010 Nobel Prize in Chemistry recipient, receives a honorary degree at the University of Pennsylvania's 255th Commencement Monday, May 16, 2011, in Philadelphia.... more 
Japanese scientist Ei-ichi Negishi and 2010 Nobel Prize in Chemistry recipient, receives a honorary degree at the University of Pennsylvania's 255th Commencement Monday, May 16, 2011, in Philadelphia. less 
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Associated Press | Photo By Matt Rourke
Mon, May 16, 2011 2:44 PM EDT