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Avempace

(Encyclopedia)Avempace āˈvəmpās, äˌvĕmpäˈthā [key], Arabic Ibn Bajja, d. 1138, Spanish-Arab philosopher. Little is known of his life, but he was born in Zaragoza and died in Fès, Morocco. Developing the ...

Achilles' tendon

(Encyclopedia)Achilles' tendon (tendo calcaneus) tĕnˈdō kălkāˈnēəs [key], sinew prominent at the back of the ankle, connecting the tendons of the calf muscles to the heelbone. When the musculature contracts...

Pew Charitable Trusts

(Encyclopedia)Pew Charitable Trusts, philanthropic foundation established (1948) by the children of Sun Oil Company founder Joseph N. Pew (1886–1963) of Philadelphia to provide funds for “general religious, cha...

Brown, Michael Stuart

(Encyclopedia)Brown, Michael Stuart, 1941–, American molecular geneticist, b. New York City, M.D. Univ. of Pennsylvania, 1966. He worked (1968–71) as a researcher at the National Institutes of Health before goi...

Wilbur, Ray Lyman

(Encyclopedia)Wilbur, Ray Lyman, 1875–1949, American public official and educator, b. Boonesboro, Iowa, grad. Stanford (B.A., 1896; M.A., 1897) and Cooper Medical College, San Francisco, 1899. After studying medi...

Weissman, Drew

(Encyclopedia)Weissman, Drew 1959–, b. Lexington, Mass., American Immunologist, studied at Brandeis University (B.A., M.A., 1981) and Boston University (M.D, Ph.D.,...

Bronk, Detlev Wulf

(Encyclopedia)Bronk, Detlev Wulf dĕtˈləf, brŏngk [key], 1897–1975, American biologist and administrator, b. New York City, grad. Swarthmore College (B.A., 1920), Ph.D. Univ. of Michigan, 1926. He was professo...

Brook, Alexander

(Encyclopedia)Brook, Alexander, 1898–1980, American painter, b. Brooklyn, N.Y. Brook's paintings, which are consistently realistic, include portraits, still-life subjects, landscapes, and figures. His color is su...

Ragnarok

(Encyclopedia)Ragnarok rägˈnərŏkˌ [key], in Norse mythology, the doom of the gods. According to prophecy the end of the world would follow a severe ice age, in which human civilization would be destroyed. Then...

Reed, Walter

(Encyclopedia)Reed, Walter, 1851–1902, American army surgeon, b. Gloucester co., Va. In 1900 he was sent to Havana as head of an army commission to investigate an outbreak of yellow fever among American soldiers....