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Marler, Peter Robert

(Encyclopedia)Marler, Peter Robert, 1928–2014, British ethologist, b. Slough, England, Ph.D University College London, 1952, and Cambridge, 1954. At Cambridge he was introduced to the sonic spectrograph, an instr...

Leo Africanus

(Encyclopedia)Leo Africanus ăfrĭkāˈnəs [key], c.1465–1550, Moorish traveler in Africa and the Middle East. His Arabic name was Al-Hasan ibn Muhammad. Captured by pirates, he was sent as a slave to Pope Leo X...

Addams, Charles Samuel

(Encyclopedia)Addams, Charles Samuel, 1912–88, American cartoonist, b. Westfield, N.J. Beginning in 1932, Addams's work appeared regularly in the New Yorker, to which he eventually contributed more than 1,300 car...

Baffin, William

(Encyclopedia)Baffin, William, c.1584–1622, British arctic explorer. He was pilot on two expeditions (1615–16) sent out to search for the Northwest Passage under command of Robert Bylot, who was formerly with H...

Hilleman, Maurice Ralph

(Encyclopedia)Hilleman, Maurice Ralph, 1919–2005, American microbiologist, regarded as the father of modern vaccinology, b. Miles City, Mont., Ph.D Univ. of Chicago, 1941. He joined E. R. Squibb and Sons in 1944,...

Bhave, Vinoba

(Encyclopedia)Bhave, Vinoba vĭnōbə bäˈvā [key], 1895–1982, Indian religious figure, founder of the Bhoodan Movement. While studying Sanskrit in Benares (Varanasi), he joined Mohandas K. Gandhi as a disciple...

Big Bend National Park

(Encyclopedia)Big Bend National Park, 801,163 acres (324,471 hectares), W Tex.; authorized 1935, est. 1944. It is a triangle formed where the Rio Grande runs southeast then northeast in a big bend along the U.S.-Me...

polar front

(Encyclopedia)polar front, zone of transition between polar and tropical air masses. Its average position during the winter is at about 30° lat. and during the summer at about 60° lat. In the N Atlantic Ocean, fo...

demography

(Encyclopedia)demography dĭmŏgˈrəfē [key], science of human population. Demography represents a fundamental approach to the understanding of human society. Its primary tasks are to ascertain the number of peop...

Hampton Roads Peace Conference

(Encyclopedia)Hampton Roads Peace Conference, meeting held on Feb. 3, 1865, on board the Union transport River Queen in Hampton Roads, Va., with the object of ending the Civil War. President Lincoln and Secretary o...