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Martin, Agnes

(Encyclopedia)Martin, Agnes (Agnes Bernice Martin), 1912–2004, American painter, b. Macklin, Canada. She moved to the United States in 1931, began painting in 1942,...

Rosso, Il

(Encyclopedia)Rosso, Il ēl rôsˈsō [key], 1495–1540, Italian painter, one of the founders of mannerism, b. Florence. His real name was Giovan Battista di Iacopo di Gasparre. Influences of Andrea del Sarto and ...

Thorne, Kip Stephen

(Encyclopedia)Thorne, Kip Stephen, 1940–, American theoretical physicist, b. Logan, Utah. Ph.D. Princeton, 1965. Thorne has been a professor (emeritus from 2009) at the California Institute of Technology since 19...

Ting, Samuel Chao Chung

(Encyclopedia)Ting, Samuel Chao Chung, 1936–, American physicist, b. Ann Arbor, Mich., Ph.D. Univ. of Michigan 1962. Ting was a professor at Columbia from 1965 to 1969, when he joined the faculty at the Massachus...

Rhea, in astronomy

(Encyclopedia)Rhea, in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn V (or S5), Rhea is 950 mi (1530 km) in diameter, orbits Saturn at a mean distance of 327,487 mi (527,...

vertigo

(Encyclopedia)vertigo vûrˈtĭgō [key], sensations of moving in space or of objects moving about a person and the resultant difficulty in maintaining equilibrium. True vertigo, as distinguished from faintness, li...

Pohl, Frederik

(Encyclopedia)Pohl, Frederik (Frederik George Pohl, Jr.) pōl [key], 1919–2013, American science-fiction writer, b. New York City. Early in his career he often collaborated with other writers, particularly Cyril ...

Orbiting Astronomical Observatory

(Encyclopedia)Orbiting Astronomical Observatory (OAO), series of four orbiting observatories (see observatory, orbiting) launched between 1966 and 1972 by the National Aeronautics and Space Administration (NASA) to...

American Museum of Natural History

(Encyclopedia)American Museum of Natural History, incorporated in New York City in 1869 to promote the study of natural science and related subjects. Buildings on its present site facing Central Park were opened in...

Jessup, Philip Caryl

(Encyclopedia)Jessup, Philip Caryl, 1897–1986, American authority on international law, b. New York City, grad. Hamilton College, 1919, LL.B. Yale, 1924, Ph.D. Columbia, 1927. He was admitted (1925) to the bar, a...