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Wallach, Otto

(Encyclopedia)Wallach, Otto, 1847–1931, German chemist, Ph.D. Univ. of Göttingen, 1869. Wallach was a professor at the Univ. of Bonn from 1870 to 1889 and at the Univ. of Göttingen from 1889 to 1915. In 1910 he...

Woburn, city, United States

(Encyclopedia)Woburn wo͞oˈbərn [key], city (1990 pop. 35,943), Middlesex co., NE Mass.; settled 1640, inc. as a city 1888. Formerly a major center for tanneries, the city has electrical, pharmaceutical, chemical...

Yoho National Park

(Encyclopedia)Yoho National Park yōˈhō [key], 507 sq mi (1,313 sq km), SE British Columbia, Canada, in the Rocky Mts. at the Alta. border; est. 1886. It lies W of the Continental Divide, adjoining Banff and Koot...

Rowland, Henry Augustus

(Encyclopedia)Rowland, Henry Augustus rōˈlənd [key], 1848–1901, American physicist, b. Honesdale, Pa., grad. Rensselaer Polytechnic Institute, 1870. He was professor of physics at Johns Hopkins from 1875. Rowl...

Amenhotep III

(Encyclopedia)Amenhotep III ăˌmĕnōˈfĭs [key], d. c.1372 b.c., king of ancient Egypt, of the XVIII dynasty. He succeeded his father, Thutmose IV, c.1411 b.c. His reign marks the culmination and the start of th...

Gay-Lussac, Joseph Louis

(Encyclopedia)Gay-Lussac, Joseph Louis zhôzĕfˈ lwē gā-lüsäkˈ [key], 1778–1850, French chemist and physicist. He was professor in Paris at the Sorbonne, at the Polytechnic School, and at the Jardin des Pla...

Garden City, cities, United States

(Encyclopedia)Garden City. 1 City (2020 pop. 10,289), Chatham co., SE Ga., a port of entry, distribution center, and industrial city on the Savannah River; inc. ...

Leicestershire

(Encyclopedia)Leicestershire lĕsˈtərshĭr [key], county (1991 pop. 860,500), 832 sq mi (2,155 sq km), central England. The county seat is at Glenfield; it was formerly Leicester, which is now administratively se...

synchrotron radiation

(Encyclopedia)synchrotron radiation, in physics, electromagnetic radiation emitted by high-speed electrons spiraling along the lines of force of a magnetic field (see magnetism). Depending on the electron's energy ...

Saint Joseph, cities, United States

(Encyclopedia)Saint Joseph sānt jōˈzəf [key]. 1 City (1990 pop. 9,214), seat of Berrien co., SW Mich., a port on Lake Michigan at the mouth of the St. Joseph River across from Benton Harbor; inc. 1834. Located ...