Columbia Encyclopedia

(Encyclopedia) Pinchot, Gifford pĭnˈshō [key], 1865–1946, American forester and public official, b. Simsbury, Conn. He studied forestry in Europe and then undertook (1892) systematic work in forestry at the Van...

(Encyclopedia) Weir, Peter wēr [key], 1944–, Australian film director, b. Sydney. His early work helped to bring Australian film to world attention; his later films, made in Hollywood, mingle American movie techn...

(Encyclopedia) analog-to-digital or A/D conversion, the process of changing continuously varying data, such as voltage, current, or shaft rotation, into discrete digital quantities that represent the magnitude of th...

(Encyclopedia) Anthropocene Epoch, an unofficial term used by scientists to describe a period of time—up to the present—in which humanity has impacted the planet on a global scale. The phrase was fir...

(Encyclopedia) Verdi, Giuseppe vârˈdē, Ital. jo͞ozĕpˈpā vĕrˈdē [key], 1813–1901, foremost Italian composer of opera, b. Le Roncole. Verdi, the son of an innkeeper, showed a precocious talent for the orga...

(Encyclopedia) Plath, Sylvia, 1932–63, American poet, b. Boston. Educated at Smith College and Cambridge, Plath published poems even as a child and won many academic and literary awards. Her first volume of poetry...

(Encyclopedia) muckrakers, name applied to American journalists, novelists, and critics who in the first decade of the 20th cent. attempted to expose the abuses of business and the corruption in politics. The term d...

(Encyclopedia) Huxley, Aldous Leonard, 1894–1963, English author; grandson of Thomas Henry Huxley, brother of Sir Julian Huxley, and half-brother of Sir Andrew Huxley. Educated at Eton and Oxford, he traveled wide...

(Encyclopedia) Rothko, Mark rŏthˈkō [key], 1903–70, American painter, b. Dvinsk, Russia (now Daugavpils, Latvia), as Marcus Rotkovitch. His family immigrated to the United States in 1913. He was a student of Ma...

(Encyclopedia) Frost, Robert, 1874–1963, American poet, b. San Francisco. Perhaps the most popular and beloved of 20th-century American poets, Frost wrote of the character, people, and landscape of New England in ...