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bristlecone pine

(Encyclopedia) bristlecone pine, common name for the pine species Pinus longaeva, found in the White Mountains of California. Specimens have been known to live some 5,000 years.

Arnold, Frances Hamilton

(Encyclopedia) Arnold, Frances Hamilton, 1956–, American chemical engineer, b. Edgewood, Pa., Ph.D. Univ. of California, Berkeley, 1985. Arnold has been a professor at the California Institute of…

Knuth, Donald Ervin

(Encyclopedia) Knuth, Donald ErvinKnuth, Donald Ervinn&oomacr;th, kən&oomacr;thˈ [key], 1938–, American mathematician and computer scientist, b. Milwaukee, Wis., grad. Case Institute of…

Gwin, William McKendree

(Encyclopedia) Gwin, William McKendree, 1805–85, American politician, b. Sumner co., Tenn. He received (1828) a degree in medicine from Transylvania Univ. and practiced in Clinton, Miss., until 1833…

Schwinger, Julian Seymour

(Encyclopedia) Schwinger, Julian Seymour, 1918–94, American physicist, b. New York City, Ph.D. Columbia, 1939. He was a professor at the Univ. of California, Berkeley (1939–47) and worked under J.…

Bolton, Herbert Eugene

(Encyclopedia) Bolton, Herbert Eugene, 1870–1953, American historian and teacher, b. Wilton, Monroe co., Wis. He taught history at the Univ. of Texas (1901–9), Stanford (1909–11), and the Univ. of…

tourmaline

(Encyclopedia) tourmalinetourmalinet&oobreve;rˈməlĭn, –lēn [key], complex borosilicate mineral with varying amounts of aluminum, iron, magnesium, sodium, lithium, potassium, and sometimes other…

Donner Party

(Encyclopedia) Donner Party, group of emigrants to California who in the winter of 1846–47 met with one of the most famous tragedies in Western history. The California-bound families were mostly from…

Colorado, rivers, United States and Mexico

(Encyclopedia) ColoradoColorado[1] kŏlərădˈə, –rădˈō, –räˈdō [2] kŏlərāˈdə, –räˈdə [key]. 1 Great river of the SW United States, 1,450 mi (2,334 km) long, rising in the Rocky Mts. of N Colo., and…

Digger Indians

(Encyclopedia) Digger Indians, term indiscriminately applied to many Native Americans of the central plateau region of W North America, including tribes in Oregon, Idaho, Utah, Arizona, Nevada, and…