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The Discovery of Global Warming June 2010
Wallace ("Wally") Broecker. He and his students made a wide variety of discoveries in oceanography and the chemistry of oceans, past and present, among other subjects. His bold intuition continually spun out ideas — many that were wrong, still more that were right, and some that turned out to be right despite being based on bad data. American Geophysical Union, courtesy AIP Emilio Segrè Visual Archives.