are not otherwise listed. References External links Costa Rica : Paradise Reclaimed, Profile of Dan Janzen in Nature, MacArthur Foundation, WNET (Television station : New York, N.Y., 1987) Faculty page at University of Pennsylvania 1939 births Living people Albert Einstein World Award of Science Laureates American ecologists Kyoto laureates in Basic Sciences MacArthur Fellows Members of the United States National Academy of Sciences United States Fish and Wildlife Service personnel University of Minnesota College of Biological Sciences alumni University of Pennsylvania faculty University of Pennsylvania Department of Biology faculty University of Michigan faculty 21st-century American biologists