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MacLeish, Archibald

(Encyclopedia)MacLeish, Archibald məklēshˈ [key], 1892–1982, American poet and public official, b. Glencoe, Ill., grad. Yale, 1915, LL.B Harvard, 1919. He practiced law for only three years and during the 1920...

Vasconcelos, José

(Encyclopedia)Vasconcelos, José hōsāˈ väskōnsāˈlōs [key], 1882–1959, Mexican educator and writer. He headed (1920–24) the National Univ. of Mexico and, as minister of education under Álvaro Obregón, ...

Baskerville, John

(Encyclopedia)Baskerville, John băsˈkərvĭlˌ [key], 1706–75, English designer of type and printer. He and Caslon were the two great type designers of the 18th cent. in England. He began his work as printer an...

Read, Sir Herbert

(Encyclopedia)Read, Sir Herbert, 1893–1968, English poet and critic. His studies at the Univ. of Leeds were interrupted by World War I, in which he served with a Yorkshire regiment. After the war he completed his...

fatty acid

(Encyclopedia)fatty acid, any of the organic carboxylic acids present in fats and oils as esters of glycerol. Molecular weights of fatty acids vary over a wide range. The carbon skeleton of any fatty acid is unbran...

hydrogenation

(Encyclopedia)hydrogenation hīdrôjˈənāˌshən, hīˌdrəjənāˈshən [key], chemical reaction of a substance with molecular hydrogen, usually in the presence of a catalyst. A common hydrogenation is the harde...

Hauptman, Herbert Aaron

(Encyclopedia)Hauptman, Herbert Aaron houptˈmän [key], 1917–2011, American chemist, b. Bronx, N.Y., grad. City College of New York (B.S., 1937) and Univ. of Maryland (Ph.D., 1955). In 1985, Hauptman and former ...

Lederberg, Joshua

(Encyclopedia)Lederberg, Joshua lāˈdərbûrgˌ [key], 1925–2008, American geneticist, b. Montclair, N.J., grad. Columbia, 1944, Ph.D. Yale, 1948. He is known for his studies of the genetic mechanisms of bacteri...

Köhler, Georges Jean Franz

(Encyclopedia)Köhler, Georges Jean Franz kōˈlər, Ger. köˈlər [key], 1946–95, German immunologist, Ph.D. Univ. of Freiburg, 1974. He worked (1974–76) with César Milstein at the Laboratory of Molecular Bi...

cellophane

(Encyclopedia)cellophane, thin, transparent sheet or tube of regenerated cellulose. Cellophane is used in packaging and as a membrane for dialysis. It is sometimes dyed and can be moisture-proofed by a thin coating...