Sidney Dillon Ripley

Ripley in 1984 Sidney Dillon Ripley II (September 20, 1913 – March 12, 2001) was an American ornithologist and wildlife conservationist. He served as secretary of the Smithsonian Institution for 20 years, from 1964 to 1984, leading the institution through its period of greatest growth and expansion. For his leadership at the Smithsonian, he was awarded the Presidential Medal of Freedom by Ronald Reagan in 1985. Provided by Wikipedia
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    The paradox of the human condition : a scientific and philosophic exposition of the environmental and ecological problems that face humanity /
    by Ripley, Sidney Dillon
    Published 1975
    Printed Book
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