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United States naturalist who contributed to paleontology and geology (1884-1960)
(New Testament) disciple of Jesus
United States educator famous for writing a book about how to win friends and influence people (1888-1955)
plant with nearly leafless stalk topped by an umbellike cluster of red or reddish lavender flowers
an engineering university in Pittsburgh
United States industrialist and philanthropist who endowed education and public libraries and research trusts (1835-1919)