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Polk, James Knox

(Encyclopedia)Polk, James Knox pōk [key], 1795–1849, 11th President of the United States (1845–49), b. Mecklenburg co., N.C. To the surprise of many, the new President proved to be his own man; he even ignor...

race

(Encyclopedia)race, one of the group of populations regarded as constituting humanity. The differences that have historically determined the classification into races are predominantly physical aspects of appearanc...

Dorr, Thomas Wilson

(Encyclopedia)Dorr, Thomas Wilson, 1805–54, leader of Dorr's Rebellion (1842) in Rhode Island, b. Providence. After studying law under Chancellor Kent in New York he practiced in Providence. Although born of a we...

committee

(Encyclopedia)committee, one or more persons appointed or elected to consider, report on, or take action on a particular matter. Because of the advantages of a division of labor, legislative committees of various k...

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...

Erie Railroad

(Encyclopedia)Erie Railroad, rail transportation line designed to connect the mouth of the Hudson River with the Great Lakes region. The New York and Erie RR Company was enfranchised and incorporated in 1832, and c...

Jones, Quincy

(Encyclopedia)Jones, Quincy (Quincy Delight Jones, Jr.), 1933–, African-American musician, composer, bandleader, and music executive, b. Chicago. Jones played trumpet and sang gospel growing up, and studied brief...

Atomic Energy Commission

(Encyclopedia)Atomic Energy Commission (AEC), former U.S. government commission created by the Atomic Energy Act of 1946 and charged with the development and control of the U.S. atomic energy program following Worl...

mushroom

(Encyclopedia)CE5 The poisonous mushroom Amanita mushroom, type of basidium fungus characterized by spore-bearing gills on the underside of the umbrella- or cone-shaped cap. The name toadstool is popularly rese...

Kennedy, Joseph Patrick

(Encyclopedia)Kennedy, Joseph Patrick, 1888–1969, U.S. ambassador to Great Britain (1937–40), b. Boston, grad. Harvard, 1912. The founder of an American dynasty, he was the father of nine children, including Jo...