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Bear Mountain

(Encyclopedia)Bear Mountain, peak, 1,284 ft (391 m) high, SE N.Y., overlooking the Hudson River. The Bear Mt. section of the Palisades Interstate Park (see under Palisades), with facilities for both summer and wint...

Sacheverell, Henry

(Encyclopedia)Sacheverell, Henry səshĕˈvərəl [key], 1674?–1724, English clergyman, the center of a religio-political incident in the reign of Queen Anne. In two sermons (1709) Dr. Sacheverell attacked the Wh...

Timon of Phlius

(Encyclopedia)Timon of Phlius flīˈəs [key], c.320–c.230 b.c., Greek skeptic philosopher, chief disciple of Pyrrho. Timon denied the possibility of certain knowledge and, like his master, taught that the philos...

chemurgy

(Encyclopedia)chemurgy kĕmˈərjē [key], branch of applied chemistry concerned with preparing industrial products from agricultural raw materials. Among such products are plastics manufactured from casein and soy...

Barton, Derek H. R.

(Encyclopedia)Barton, Derek H. R., 1918–98, British chemist, b. Gravesend, England, grad. Imperial College of Science and Technology (B.S. 1940, Ph.D. 1942, D.Sc. 1949). He was on the faculty of Imperial College ...

bridge, structure

(Encyclopedia)CE5 Bridges bridge, structure built over water or any obstacle or depression to allow the passage of pedestrians or vehicles. See also viaduct. In wartime, where the means of crossing a stream o...

Crutzen, Paul Jozef

(Encyclopedia)Crutzen, Paul Jozef, 1933–2021, Dutch atmospheric chemist, grad. Univ. of Stockholm (Ph.D. 1968, D.Sc. 1973). After working (1977–80) for the Nation...

Hoffmann, Roald

(Encyclopedia)Hoffmann, Roald, 1937–, American chemist, b. Złoczów, Poland (now Zolochiv, Ukraine), Ph.D. Harvard, 1962. After receiving his degree and working with Robert Woodward at Harvard (1962–65), he be...

Wiley, Harvey Washington

(Encyclopedia)Wiley, Harvey Washington, 1844–1930, American chemist, b. Kent, Ind., grad. Hanover College (B.A., 1867), M.D. Indiana Medical College, 1871. After serving (1874–83) as state chemist of Indiana, h...

Willstätter, Richard

(Encyclopedia)Willstätter, Richard rĭkhˈärt vĭlˈshtĕtər [key], 1872–1942, German chemist. He was professor at the Kaiser Wilhelm Institute of Chemistry, Berlin (1912–16), and at the Univ. of Munich (191...