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Perutz, Max Ferdinand

(Encyclopedia)Perutz, Max Ferdinand, 1914–2002, British molecular biologist, b. Vienna. One of the pioneers in the field of molecular biology, Perutz studied chemistry at the Univ. of Vienna (1932–36) and then ...

Olympic Mountains

(Encyclopedia)Olympic Mountains, highest part of the Coast Ranges, on the Olympic Peninsula, NW Wash. Mt. Olympus (7,965 ft/2,427 m) is the highest point in the mountains, which are composed mainly of sedimentary r...

Kyushu

(Encyclopedia)Kyushu kyo͞oˈsho͞o [key], island (1990 pop. 13,064,955), c.13,760 sq mi (35,640 sq km), S Japan. It is the third largest, southernmost, and most densely populated of the major islands of Japan. It ...

Merrifield, Robert Bruce

(Encyclopedia)Merrifield, Robert Bruce, 1921–2006, American chemist, b. Fort Worth, Tex., Ph.D. Univ. of California at Los Angeles, 1949. As a researcher at the Rockefeller Institute for Medical Research (later R...

Klaproth, Martin Heinrich

(Encyclopedia)Klaproth, Martin Heinrich märˈtēn hīnˈrĭkh kläpˈrōt [key], 1743–1817, German chemist. He is often referred to as the father of analytic chemistry. He recognized (1789) the presence of zirco...

Hodgkin, Dorothy Mary Crowfoot

(Encyclopedia)Hodgkin, Dorothy Mary Crowfoot, 1910–94, English chemist and X-ray crystallographer, b. Egypt. She received the 1964 Nobel Prize in chemistry for determining the structure of biochemical compounds (...

Grew, Nehemiah

(Encyclopedia)Grew, Nehemiah, 1641–1712, English botanist and physician. Grew practiced medicine in London and made important microscopic studies of plants. He made what were probably the first observations of se...

Gerhardt, Charles Frédéric

(Encyclopedia)Gerhardt, Charles Frédéric shärl frādārēkˈ zhārärˈ [key], 1816–56, French chemist, b. Strasbourg. He revived the theory of acid radicals, which he called the theory of residues, and did va...

epoxy group

(Encyclopedia)epoxy group ĕpˈŏksē [key], in chemistry, functional group that consists of an oxygen atom joined by single bonds to two adjacent carbon atoms, thus forming the three-membered epoxide ring. It is t...

K

(Encyclopedia)K, 11th letter of the alphabet. It is a usual symbol for a voiceless velar stop, as in the English cook. It corresponds to Greek kappa. In chemistry K is the symbol for the element potassium. ...