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polybrominated biphenyl

(Encyclopedia)polybrominated biphenyl or PBB, any of a group of organic compounds used as a fire retardant. In 1973 several thousand pounds of PBB were accidentally mixed with livestock feed that was later distribu...

Wieland, Heinrich

(Encyclopedia)Wieland, Heinrich, 1877–1957, German chemist, Ph.D. Univ. of Munich, 1901. Wieland was a professor at the Technical Univ. of Munich from 1913 to 1921, the Univ. of Freiburg from 1921 to 1925, and th...

Werner, Alfred

(Encyclopedia)Werner, Alfred, 1866–1919, French-born Swiss chemist, Ph.D. Univ. of Zürich, 1890. Werner was a professor at the Univ. of Zürich from 1893 until his death in 1919. He was awarded the Nobel Prize i...

marlin

(Encyclopedia)marlin, common name for open-sea fish related to the sailfish (family Istiophoridae) and prized in sport fishing. The best known is the Atlantic blue marlin, Makaira nigricans, found in the Gulf Strea...

Shire horse

(Encyclopedia)Shire horse, a breed of draft horse native to central England. It is equal in weight to the Belgian horse and is usually slightly taller. Widely used as a war horse during the Middle Ages, it was well...

vaporization

(Encyclopedia)vaporization, change of a liquid or solid substance to a gas or vapor. There is fundamentally no difference between the terms gas and vapor, but gas is used commonly to describe a substance that appea...

Kekulé von Stradonitz, Friedrich August

(Encyclopedia)Kekulé von Stradonitz, Friedrich August frēˈdrĭkh ouˈgo͝ost kāˈko͞olā fən shträˈdōnĭts [key], 1829–96, German organic chemist. He was professor at Ghent (1858–65) and at Bonn from 1...

Gilbert, Walter

(Encyclopedia)Gilbert, Walter, 1932–, American molecular biologist, b. Boston, Ph.D. Cambridge, 1957. In 1968 he became a professor of biophysics at Harvard, where he had taught since 1959. He helped formulate a ...

Robinson, Sir Robert

(Encyclopedia)Robinson, Sir Robert, 1886–1975, British chemist, D.Sc. Univ. of Manchester, 1910. Robinson taught at the universities of Sydney (1912–15), Liverpool (1915–20), St. Andrews (1921–22), Manchest...

Baeyer, Adolf von

(Encyclopedia)Baeyer, Adolf von (Johann Friedrich Wilhelm Adolf von Baeyer) äˈdôlf fən bāˈyər; yōhänˈ frēˈdrĭkh vĭlˈhĕlm [key], 1835–1917, German chemist. He taught at Berlin and Strasbourg and in...