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market research

(Encyclopedia)market research, organized use of sample surveys, polls, focus groups, and other techniques to study market characteristics (e.g., ages and incomes of consumers; consumer attitudes) and improve the ef...

Kasprowicz, Jan

(Encyclopedia)Kasprowicz, Jan yän käsprôˈvēch [key], 1860–1926, Polish poet. His writings progressed from social revolt (e.g., From a Peasant's Field, 1891) to poems of spiritual struggle and philosophical i...

Levi-Civita, Tullio

(Encyclopedia)Levi-Civita, Tullio to͞olˈlyō lāˈvē-chēˈvētä [key], 1873–1942, Italian mathematician. He taught at the universities of Padua (1898–1919) and Rome (1919–38) and was noted for his resear...

Louis, Morris

(Encyclopedia)Louis, Morris, 1912–62, American painter, b. Baltimore. A practitioner of color-field painting, Louis was noted for soaking poured paint through unsized and often unstretched canvas. Prior to 1960 h...

Cameroon, Mount

(Encyclopedia)Cameroon, Mount kămˈəro͞on [key], active volcano, 13,354 ft (4,070 m) high, in the Cameroon Highlands, W Cameroon; highest point in W Africa. The mountain and surrounding area are in Mt. Cameroon ...

Wilson, Kenneth Geddes

(Encyclopedia)Wilson, Kenneth Geddes, 1936–2013, American physicist, b. Waltham, Mass., Ph.D. California Institute of Technology, 1961. A professor at Cornell (1963–88) and Ohio State Univ. (1988–2008), Wilso...

Warming, Johannes Eugenius Bülow

(Encyclopedia)Warming, Johannes Eugenius Bülow yōhänˈəs ĕo͝ogāˈnēo͝os büˈlou värmˈĭng [key], 1841–1924, Danish botanist, a founder of the science of plant ecology. He was a professor at the Univ. ...

Werner, Alfred

(Encyclopedia)Werner, Alfred, 1866–1919, French-born Swiss chemist, Ph.D. Univ. of Zürich, 1890. Werner was a professor at the Univ. of Zürich from 1893 until his death in 1919. He was awarded the Nobel Prize i...

blink microscope

(Encyclopedia)blink microscope, in astronomy, device for determining a change in position or magnitude (brightness) of a star relative to other stars in the background. Two photographs of the same field or area of ...

Bock, Fedor von

(Encyclopedia)Bock, Fedor von fāˈdôr fən bôk [key], 1880–1945, German field marshal. During World War II he led German armies in Poland, the Low Countries, France, and Russia. In 1941 he failed to take Mosco...