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buffalo soldiers

(Encyclopedia)buffalo soldiers, name given to the African-American U.S. army regiments commissioned by Congress to patrol the American West after the Civil War. Consisting of two infantry and two cavalry regiments,...

Johnson, Jimmie Kenneth

(Encyclopedia)Johnson, Jimmie Kenneth, 1975–, American auto racer, b. El Cajon, Calif. Johnson began racing at five on motorcycles, progressed to off-road buggies and trucks as a teenager, and then to stock cars ...

Kenyon, William Squire

(Encyclopedia)Kenyon, William Squire, 1869–1933, U.S. Senator (1911–22) from Iowa, b. Elyria, Ohio. He practiced law at Fort Dodge, Iowa, was county prosecutor, and became a state district court judge before se...

ohm

(Encyclopedia)ohm ōm [key] [for G. S. Ohm], symbol Ω, unit of electrical resistance, defined as the resistance in a circuit in which a potential difference of one volt creates a current of one ampere; hence, 1 oh...

Kochanowski, Jan

(Encyclopedia)Kochanowski, Jan yän kôkhänôfˈskē [key], 1530–84, esteemed as the greatest poet of the Polish Renaissance. Kochanowski assimilated the poetic traditions of Italy and France and created new rhy...

Hartigan, Grace

(Encyclopedia)Hartigan, Grace, 1922–2008, American painter, b. Newark, N.J. Hartigan moved to Manhattan in 1945 and began painting semiabstract canvases after her introduction to the works of the abstract express...

photonics

(Encyclopedia)photonics, the science and technology based on and concerned with the controlled flow of photons, or light particles. It is the optical equivalent of electronics, and the two technologies coexist in s...

Onganía, Juan Carlos

(Encyclopedia)Onganía, Juan Carlos hwän kärˈlōs ōngänēˈä [key], 1914–95, president of Argentina (1966–70). He served (1963–65) as commander in chief of the army and in 1962 led a revolt within the a...

Nordhaus, William Dabney

(Encyclopedia)Nordhaus, William Dabney, 1941–, American economist, b. Albuquerque, N.Mex., Ph.D. Massachusetts Institute of Technology, 1967. A professor at Yale since 1967, he has focused on the economic effects...

Veeck, Bill

(Encyclopedia)Veeck, Bill (William Louis Veeck, Jr.), 1914–86, American baseball executive, b. Chicago. The son of an owner of the Chicago Cubs, Veeck began his executive career with the Milwaukee Brewers of the ...