379934 03: Paul Greengard, a professor at The Rockefeller University's Laboratory of Molecular and Cellular Neuroscience, smiles at Rockefeller University in New York City October 9, 2000. Others are not identified. Greengard, along with Eric Kandel of Columbia University and Arvid Carlsson, of the University of Goteborg in Sweden, won the 2000 Nobel Prize in Physiology and Medicine. (Photo by Chris Hondros/Newsmakers)