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Goodall, Jane

(Encyclopedia)Goodall, Jane go͝odˈôl [key], 1934–, English ethologist and primatologist. After working with Louis Leakey but without any formal scientific training, she established (1960) a research camp in th...

Mitchell, George John

(Encyclopedia)Mitchell, George John, 1933–, U.S. public official, b. Waterville, Maine. An attorney in private and government practice in the 1960s and 1970s, he was a protege of Senator Edmund Muskie. Generally ...

Atlas Mountains

(Encyclopedia)Atlas Mountains, system of ranges and plateaus in NW Africa, extending c.1,500 mi (2,410 km) from SW Morocco, through N Algeria, to N Tunisia; Jebel Toubkal (13,671 ft/4,167 m), in SW Morocco, is the ...

Lancaster, Joseph

(Encyclopedia)Lancaster, Joseph, 1778–1838, English educator. In 1801 he founded a free elementary school, using a type of monitorial system for which he acknowledged his debt to Andrew Bell. The Royal Lancasteri...

Díaz Ordaz, Gustavo

(Encyclopedia)Díaz Ordaz, Gustavo go͞ostäˈvō dēˈäs ōrˈdäs [key], 1911–79, president of Mexico (1964–70). A lawyer, law professor, and judge, he served in both houses of the federal legislature and wa...

Driftless Area

(Encyclopedia)Driftless Area, c.13,000 sq mi (33,670 sq km), largely in SW Wis. but extending into SE Minn., NE Iowa, and NW Ill. The continental glacier which covered most surrounding regions did not touch this ar...

Chesapeake and Delaware Canal

(Encyclopedia)Chesapeake and Delaware Canal, sea-level canal, 19 mi (31 km) long, 250 ft (76 m) wide, and 27 ft (8.2 m) deep, connecting the head of Chesapeake Bay with the Delaware River. Built in 1824–29, the c...

El Reno

(Encyclopedia)El Reno ĕl rēˈnō [key], city (2020 pop. 16,989), seat of Canadian co., central Okla.; inc. ...

Müller, Karl Alexander

(Encyclopedia)Müller, Karl Alexander, 1927–, Swiss physicist, Ph.D. Swiss Federal Institute of Technology, 1958. In 1983, Müller and co-researcher Johannes Georg Bednorz discovered superconductivity in a cerami...

Nanaimo

(Encyclopedia)Nanaimo nənīˈmō [key], city (1991 pop. 60.129), SW British Columbia, Canada, on Vancouver Island. It is a port, the base of a commercial fishing fleet, and the trade center for a farm and lumberin...