Individual #Jean_Louis_Rodolphe_Agassiz__Agassiz__Louis_Agassiz  United States naturalist (born in Switzerland) who studied fossil fish; recognized geological evidence that ice ages had occurred in North America (1807-1873)
  type:  #naturalist__natural_scientist__naturalscientist  a biologist knowledgeable about natural history (especially botany and zoology)

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