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Péronne

(Encyclopedia)Péronne pārônˈ [key], town (1993 est. pop. 9,200), Somme dept., N France, in Picardy, on the Somme River. It is a farm trade center, and its manufactures include wool, bricks, furniture, and plast...

Cram, Donald James

(Encyclopedia)Cram, Donald James, 1919–2001, American chemist, b. Chester, Vt., Ph.D. Harvard, 1947. A professor at the Univ. of California at Los Angeles, Cram expanded on the work of Charles J. Pedersen by synt...

Dacko, David

(Encyclopedia)Dacko, David dävēdˈ däkōˈ [key], 1930–2003, president of the Central African Republic (1960–66, 1979–81). A leader in the independence movement in French Equatorial Africa, he became the f...

essence

(Encyclopedia)essence, in philosophy, the nature of a thing. Aristotle maintained that there is a distinction between the form of a thing—its intelligible, verbally formulable character—and the essence of a thi...

Hurok, Sol

(Encyclopedia)Hurok, Sol hyo͝orˈŏk, yo͝orˈ– [key], 1888–1974, American impresario, b. Russia. Emigrating to the United States in 1906, Hurok was a peddler, streetcar conductor, bottlewasher, and hardware s...

Hesdin, Jacquemart de

(Encyclopedia)Hesdin, Jacquemart de zhäkmärˈ də ādăNˈ [key], fl. c.1384–1411, Franco-Flemish manuscript illuminator. Jacquemart illustrated numerous books of hours, including a number of manuscripts for Je...

Smith College

(Encyclopedia)Smith College, at Northampton, Mass.; undergraduate for women, graduate coeducational; chartered 1871, opened 1875 through a bequest of Sophia Smith. The first president, Laurenus Clark Seelye, was in...

miniature painting

(Encyclopedia)miniature painting [Ital.,=artwork, especially manuscript initial letters, done with the red lead pigment minium; the word originally had no implication as to size]. In a general sense the term denote...

antiviral drug

(Encyclopedia)antiviral drug, any of several drugs used to treat viral infections. The drugs act by interfering with a virus's ability to enter a host cell and replicate itself with the host cell's DNA. Some drugs ...

gene therapy

(Encyclopedia)gene therapy, the use of genes and the techniques of genetic engineering in the treatment of a genetic disorder or chronic disease. There are many techniques of gene therapy, all of them still in expe...