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Mercator, Gerardus

(Encyclopedia)Mercator, Gerardus gārˈhärt krāˈmər [key], 1512–94, Flemish geographer, mathematician, and cartographer. He studied in Louvain, where he had a geographical establishment (1534). From 1537 to 1...

de Kruif, Paul

(Encyclopedia)de Kruif, Paul də krīf [key], 1890–1971, American author, b. Zeeland, Mich., grad. Univ. of Michigan (B.S., 1912). He was bacteriologist at the university from 1912 to 1917. Among his books are Mi...

Beaver Island

(Encyclopedia)Beaver Island, 14 mi (23 km) long, from 3 to 6 mi (4.8–9.6 km) wide, off N Mich., in Lake Michigan. It is the largest island of the Beaver Archipelago and has forests, lakes, beaches, and a harbor a...

Hershey, Alfred Day

(Encyclopedia)Hershey, Alfred Day, 1908–1997, American microbiologist, b. Owosso, Mich., Ph.D., Michigan State College (now Michigan State Univ.), 1934. Hershey was a professor at the Washington Univ. School of M...

Cass, Lewis

(Encyclopedia)Cass, Lewis, 1782–1866, American statesman, b. Exeter, N.H. He established (1802) himself as a lawyer in Zanesville, Ohio, became a member (1806) of the state legislature, and was U.S. marshal for O...

American Geographical Society

(Encyclopedia)American Geographical Society (AGS), oldest geographical society in the United States, founded 1852 in New York City. Its purpose is to advance the science of geography through discussion and publicat...

Anville, Jean Baptiste Bourguignon d'

(Encyclopedia)Anville, Jean Baptiste Bourguignon d' zhäN bätēstˈ bo͞orgēnyôNˈ däNvēlˈ [key], 1697–1782, French geographer and cartographer. His maps of ancient geography, characterized by careful, accu...

Drygalski, Erich von

(Encyclopedia)Drygalski, Erich von āˈrĭkh fən drēgälˈskē [key], 1865–1949, German polar explorer. A professor of geography at the Univ. of Munich, he led an expedition that wintered (1892–93) in W Green...

Schimper, Karl Friedric

(Encyclopedia)Schimper, Karl Friedric shĭmˈpər [key], 1803–67, German botanist. He did important work in plant morphology and originated the theory, called phyllotaxis, that there is a fixed order to the arran...

Roanne

(Encyclopedia)Roanne rôänˈ [key], town (1990 pop. 42,848), Loire dept., E central France, on the Loire River. Cotton and metals are the chief products; other industries include tanning, machine and vehicle manuf...