louis agassiz

from WordNet (r) 3.0 (2006)
Louis Agassiz
    n 1: United States naturalist (born in Switzerland) who studied
         fossil fish; recognized geological evidence that ice ages
         had occurred in North America (1807-1873) [syn: {Agassiz},
         {Louis Agassiz}, {Jean Louis Rodolphe Agassiz}]
    

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