Columbia Encyclopedia

Search results

290 results found

complex variable analysis

(Encyclopedia)complex variable analysis, branch of mathematics that deals with the calculus of functions of a complex variable, i.e., a variable of the form z=x+iy, where x and y are real and i=−1 (see number). A...

Daley, Richard Joseph

(Encyclopedia)Daley, Richard Joseph, 1902–76, U.S. political leader, b. Chicago. Admitted to the bar in 1933, he entered politics and served as a Democrat in the state assembly (1936–38) and the state senate (1...

fullerene

(Encyclopedia)fullerene, any of a class of carbon molecules in which the carbon atoms are arranged into 12 pentagonal faces and 2 or more hexagonal faces to form a hollow sphere, cylinder, or similar figure. The sm...

Millay, Edna St. Vincent

(Encyclopedia)Millay, Edna St. Vincent mĭlāˈ [key], 1892–1950, American poet, b. Rockland, Maine, grad. Vassar College, 1917. One of the most popular poets of her era, Millay was admired as much for the bohemi...

Pompeii

(Encyclopedia)Pompeii pŏmpāˈ, Ital. pōmpĕˈē [key], ancient city of S Italy, a port near Naples and at the foot of Mt. Vesuvius. Possibly an old Oscan settlement, it was a Samnite city for centuries before it...

Bellow, Saul

(Encyclopedia)Bellow, Saul, 1915–2005, American novelist, b. Lachine, Que., as Solomon Bellow, grad. Northwestern Univ., 1937. Born of Russian-Jewish parents, he grew up in the slums of Montreal and Chicago, and ...

West, Kanye Omari

(Encyclopedia) West, Kanye Omari, 1977- , African American rapper, b. Atlanta (some sources give Douglasville), Al. West’s father, Ray, was a Black Panther who ...

Black Lives Matter

(Encyclopedia)Black Lives Matter, a global political movement. Founded in 2013 by organizers Alicia Garza, Patrisse Cullors, and Opal Tometi, the #Black Lives Matter ...

Rodgers, Richard Charles

(Encyclopedia)Rodgers, Richard Charles, 1902–79, American composer, b. New York City. Rodgers studied at Columbia and the Institute of Musical Art, New York City. He met both of his future collaborators, Lorenz H...

Star-Spangled Banner, The

(Encyclopedia)Star-Spangled Banner, The, American national anthem, beginning, “O say can you see by the dawn's early light.” The words were written by Francis Scott Key, a young Washington attorney who during t...