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Rubin, Vera

(Encyclopedia)Rubin, Vera, 1928–2016, American astronomer, b. Philadelphia as Vera Florence Cooper, Ph.D. Georgetown (1954). After teaching at Georgetown, she joined (1965) the Carnegie Institution's department o...

Scholz's star

(Encyclopedia)Scholz's star, dim binary star system, consisting of a red dwarf and brown dwarf, in the constellation Monoceros, apparent magnitude 18.3. The red dwarf is a tiny star, with less than ten percent the ...

Seuss, Dr.

(Encyclopedia)Seuss, Dr., pseud. of Theodor Seuss Geisel, 1904–91, American author and illustrator of children's books, b. Springfield, Mass, grad. Dartmouth College, studied Lincoln College, Oxford. After workin...

Dana, Richard Henry

(Encyclopedia)Dana, Richard Henry, 1787–1879, American poet and essayist, b. Cambridge, Mass.; son of Francis Dana. After studying law, he was admitted to the bar in 1811. Critic and poet, Dana was a founder and ...

De Mille, Cecil B.

(Encyclopedia)De Mille, Cecil B. (Cecil Blount De Mille), 1881–1959, American movie director and producer, b. Ashfield, Mass. In 1914, together with Samuel Goldwyn, he made the first feature-length film in Hollyw...

porphyry, igneous rock

(Encyclopedia)porphyry pôrˈfərē [key], igneous rock composed of large, conspicuous crystals (phenocrysts) and a groundmass in which the phenocrysts are embedded. Some authorities consider the expression “porp...

antiphon, in liturgical music

(Encyclopedia)antiphon ănˈtĭfən [key], in Roman Catholic liturgical music, generally a short text sung before and after a psalm or canticle. The main use is in group singing of the Divine Office in a monastery....

Eichmann, Adolf

(Encyclopedia)Eichmann, Adolf īkhˈmän [key], 1906–62, German National Socialist official. A member of the Austrian Nazi party, he headed the Austrian office for Jewish emigration (1938). His zeal in deporting ...

atomic weight

(Encyclopedia)atomic weight, mean (weighted average) of the masses of all the naturally occurring isotopes of a chemical element, as contrasted with atomic mass, which is the mass of any individual isotope. Althoug...

North Reading

(Encyclopedia)North Reading rĕdˈĭng [key], residential town (1990 pop. 12,002), Middlesex co., NE Mass., on the Ipswich River; settled 1651, set off from Reading and inc. 1853. Athletic footwear is manufactured ...