George Wald (November 18, 1906 - April 12, 1997) was an American scientist who is best known for his work with pigments in the retina. He won a share of the 1967 Nobel Prize in Physiology or Medicine with Haldan Keffer Hartline and Ragnar Granit
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"George Wald Quotes." Quotes.net. STANDS4 LLC, 2014. Web. 24 Apr. 2014. <http://www.quotes.net/authors/George Wald>.