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…
Benjamin Banneker, Thomas Jennings, other exceptional innovators by Ann Marie Imbornoni Madame C.J. Walker Related Links Black History Month FeaturesAfrican American History Timeline…
Negro League BaseballHistory and key players in baseball's gone—but not forgotten—league
by Michael Morrison Have you ever heard of Oscar Charleston? He's recognized by some as one of…
(Encyclopedia) cowpea,&sp;black-eyed pea, or black-eyed bean, annual legume (Vigna sinensis) of the pulse family. Introduced in the early 18th cent. from the Old World to the S United States, it…
(Encyclopedia) Cullen, CounteeCullen, Counteekounˈtēˈ [key], 1903–46, American poet, b. New York City, grad. New York Univ. 1925, M.A. Harvard, 1926. A major writer of the Harlem Renaissance—a…
(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…
Born: 9/16/1950Birthplace: Keyser, W.Va.writer, critic, educator, activist Gates has used his position as one of the country's preeminent Black scholars to promote his theory of education reform,…
