(Encyclopedia) hogback, sharp-crested ridge with steep slopes on both sides, formed by the erosion of steeply tilted rock layers. Hogbacks are commonly formed along the eroded flanks of large,…
(Encyclopedia) Elion, Gertrude BelleElion, Gertrude Belleĕlˈēən [key], 1918–99, American pharmacologist, b. New York City, B.S. Hunter College, 1937. Unable to find research work (largely because she…
(Encyclopedia) Abrahams, Peter, 1919–2017, South African novelist and journalist, b. Peter Henry Abrahams Deras. Though he lived mostly in exile, he exposed the injustices of the apartheid system and…
(Encyclopedia) Chandrasekhar, SubrahmanyanChandrasekhar, Subrahmanyans&oobreve;bˌrəmänˈyən chŭnˌdrəsāˈkər [key], 1910–95, American astrophysicist, b. Lahore, India (now Pakistan). He became a…
(Encyclopedia) onageronagerŏnˈəjər [key] or Persian wild ass, wild ass of central Asia, Equus hemonius onager. Formerly classified as a separate species, it is one of the several subspecies of Asian…
(Encyclopedia) Wright, Richard, 1908–60, American author. An African American born on a Mississippi plantation, Wright struggled through a difficult childhood and worked to educate himself. He moved…
(Encyclopedia) rosewood, popular name for the ornamental wood of several species of tropical trees, especially for the heartwood of certain leguminous trees of the genus Dalbergia of the family…
Slaves in his Family by Ben Snowden In Slaves in the Family, journalist Edward Ball explores the shared history of his South Carolina plantation family, and the people they…
Planck's ConstantTheories of the UniverseThat Old Quantum TheoryPlanck's ConstantPhotoelectric Effect Explained, the Quantum Strikes AgainBohr's Atomic Theory In Cracks in a Newtonian World, we…
(Encyclopedia) Baraka, AmiriBaraka, Amiriamērē bəräˈkə [key], 1934–2014, American poet, playwright, and political activist, b. Newark, N.J., as Everett LeRoy Jones, studied at Rutgers Univ., Howard…
