Dr. David Pettus, who was a member of the Department of Biology until 1989, passed away on April 2,  2014.   At Colorado State, Dr. Pettus began his work on ecology and evolution of amphibians in the Zoology Department  in College of Science and Arts in in 1956.  He served as Assistant Dean in 1965-1966.   Dr. Pettus became a member of the Biology Department after a merger of departments within the College of Natural Sciences.  His obituary was published in the Fort Collins Coloradoan on April 7 and in Today@CSU on .

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